Parts of an expression
Lily is making costumes. She buys 5 yards of fabric that cost m dollars per yard and 7 yards of fabric that cost p dollars per yard. The total amount of his purchase is given by the expression 5m+7p. What are the terms in the expression?
5m, 7p
Write an expression for the difference of a number and 10
n-10
The expression 14g gives the distance in miles that a truck can travel on g gallons of gas. How far can the truck travel on 9 gallons of gas?
126 miles
Jordan is j years old. Karen is 4 years older than Jordan. Lenny is twice as old as Jordan. The expression j + j+4+2j gives the sum of their ages. Simplify the expression by combining like terms.
4j + 4
The length of Mr. Johnson's bedroom is 3 feet shorter than twice the width. Let w represent width. Write an algebraic expression for the length of the bedroom?
2w-3
The expression 5t + 10t gives the value in dollars of f five dollar bills and t ten dollar bills. What are the coefficients of the expression?
5, 10
Write an algebraic expression for 16 more than the product of 11 and p
11p + 16
Mindy is saving money to buy a video game that costs $75. She starts with $15, and each week she saves $10. The expression 15 + 10w gives the amount in dollars that Mindy will have saved after w weeks. How much will Mindy have saved after 4 weeks?
$55
A shop sells fruit baskets holding 3 apples and 2 oranges. The expression 3b + 2b represents the total number of fruit needed for "b" baskets. Simplify by combining like terms.
5b
The expression 30r gives the number of points a player earns for completing r rounds in a card game. How many points are earned for completing 4 rounds?
120 points
The expression 9v+4c gives the number of passengers who can ride in v vans and c cars. What are the coefficients in the expression?
9, 4
There are 24 hours in a day. Write an expression that gives the number of hours in d days.
24d
The expression 4.75+1.90m gives the taxi fare in dollars for a trip of m miles. On Saturday Rubin took a taxi for 7 miles. On Sunday, she took a taxi for 5 miles. What was the total fare for the two trips?
$27.55
A sweater costs $35 and a t-shirt costs $8. The expression 35s+8s gives the total cost for buying a sweater and a t-shirt for s students. Simplify the expression by combining like terms.
43s
Ethan made 7 green key chains using b beads on each key chain and 6 blue key chains with b beads on each bracelet. Write the expression that gives the total number of beads he used.
7b + 6b
The cost for a group of people to go to bowling is given by the expression 8d+5c+2.5, where d is the number of adults and c is the number of children. What are the coefficients in the expression?
8, 5
Write an expression for 8 less than the sum of "y" and 5.
(y+5) - 8
The expression 6c gives the math test score that a student receives for c correct answers. What is the score for 15 correct answers?
90
Lanterns cost $17. Candles cost $8. The expression 17t+8t gives the total cost for t lanterns and candles. Simplify the expression by combining like terms.
25t
Harold bought 7 packs of baseball cards with c cards in each pack. He gave 4 of the cards to his friends. Write the expression that gives the number of cards Harold has left.
7c-4
In the expression 5a-9b+4c+8, what are the: coefficients, variable terms and constants?
coefficients: 5, -9, 4
variable terms: 5a, -9b, 4c
constant: 8
Ms. Lee has 4 packs of markers. Each pack of markers contains m markers. She gives 10 markers to her students. Write the expression that gives the number of markers she has left.
4m - 10
The formula P=4s gives the perimeter P of a square with side length "s." What is the perimeter of a square poster with a side length of 9 1/2 inches?
38 inches
A hamburger cost $5.00, salad cost $2.75, drinks cost $1.25. There is a delivery fee of $1.50. The expression 5n+2.75n+1.25n+1.50 gives the total cost, in dollars for buying a hamburger, salad and a drink for n people. Simplify the expression by combining like terms.
9n+ 1.5
In September, Laura read 10 non-fictional books with p pages in each book. In October, she read 14 fictional books with p pages in each book. Write an expression that gives the total number of pages Laura read in September and October.
10p+14p