331 students went on a field trip. Six buses were filled and 7 students traveled in cars. How many students were in each bus?
6x+7=331
x=54 students
100
Convert from a verbal expression into an algebraic expression:
two multiplied by a number
2x
100
Convert from a verbal expression to an algebraic expression:
twice the sum of a number and 4
2(x+4)
100
Three times a number is equal to five.
3x=5
200
Aaliyah had $24 to spend on seven pencils. After buying them she had $10. How much did each pencil cost?
24-7p=10
p=$2
200
Convert from a verbal expression to an algebraic expression:
the sum of twelve and a number
12+x
200
Convert from a verbal expression to an algebraic expression:
the difference between a number a twenty-three
x-23
200
Two-fifths of a number is the same as seven.
(2/5)x=7
300
You bought a magazine for $5 and four erasers. You spend a total of $25. How much did each eraser cost?
5+4e=24
e=$4.75
300
Convert from a verbal expression to an algebraic expression:
the ratio of 63 and some number
63/x
300
Convert from a verbal expression to an algebraic expression:
the quotient of fifty and some number
50/x
300
Four times a number is identical to five.
4x=5
400
Maria had some boxes. Then, she bought seven more boxes. A week later half of all her boxes were destroyed in a fire. There are now only 22 boxes left. How many did she start with?
(b+7)/2=22
b=37 boxes
400
Convert from a verbal expression to an algebraic expression:
the product of a number and ten
10x
400
half of the product of six and a number
(1/2)(6x)=6x/2=3x
400
Negative four times a number is five.
-4x=5
500
Jill sold half of her comic books and then bought sixteen more. She now has 36. How many did she have to begin with?
(x/2)+16=36
x=40 comic books
500
Convert from a verbal expression to an algebraic expression:
one-fifth of some number
(1/5)x
500
Convert from a verbal expression to an algebraic expression:
twenty-five less than some number
x-25
500
Negative four times a number is the opposite of five.