The sum of x and 3
x+3
If a = 7, evaluate the following: 2a - 2
12
g + 7 = 12
g=5
3x = 21
x=7
Lara and Mae participated in a quiz contest. They scored 23 points in all. If Lara scored 9 points, how many points did Mae score?
Let x = points Mae scored
x+9=23
x=14
The product of 5 and r
5r
If r = 6 and s = 4, evaluate the following: 2r/s
3
x-9=26
x=35
x/10=5
x=50
Smith and his friends are gaming online on a popular website. An hour later, 6 friends go offline. Five of them continue playing. How many of them were gaming online initially?
Let x = number of people originally playing
x-6=5
x=11
The difference of p and 10
p-10
If a = 3, b = 5 and c = 11, evaluate the following: 3c - ab
18
6(x+2)=36
x=4
9x=27
x=3
Write a linear equation to represent the situation:
A parking garage charges "C" for parking. It cost a fee of $8 plus $10 per hour, "t".
C=8+10t
Broke m into 9 groups
m/9
If y = 4, and z = 10, evaluate the following: z(3 + y)
70
d - 7 = -9
d=-2
x/7=9
x=63
Rose has two baskets; one contains apples and the other contains bananas. Together, the baskets weigh 5.55 pounds. Find the weight of the basket of bananas, if the apple basket weighs 2.34 pounds.
Let x=weight of banana basket
x+2.34=5.55
x=3.21
Ms. Allen has "s" apples. Her friend has 4 times as many apples as her. Her friend then gives 3 apples to her sister. How many apples does the friend have then?
4s-3
If a = 3, b= 4 and c = 5, evaluate the following: a(b + c) - a
24
-27 = c + 27
c=- 56
11x = 275
x=25
The non-fiction section of the Montgomery County Library has 17 racks. If each rack holds 528 books, what is the total collection of non-fiction books in the library?
Let x = total number of books
x/17=528
x=8,976