Worksheets7th 4-1 Write and Evaluate Expressions
Total questions: 15
Worksheet time: 1hrs 15mins
Evaluate 3.6x+4.5y when x=3 and y=7.
(a)
Evaluate 5.5r−8.35s when r=12 and s=4.
(a)
Write an expression that represents the weight of an object that weighs 12 pounds and increases by 0.5 pound per month m.
12 + 0.5m
12m + 0.5
12 - 0.5m
12m - 0.5
Evaluate the expression for the given value of the variable.
4c−3
c=−2
(a)
Evaluate the expression for the given value of the variable.
(1/3)x + 5
x= −6
(a)
Evaluate the expression for the given value of the variables.
0.3k−4m
k=20 and m=−2
(a)
Evaluate the expression for the given value of the variable.
−50 + (5/13)p
p=−26
(a)
Which expression can be used to determine the total weight of b baseballs that weigh 5.25 ounces each and s softballs that weigh 6.5 ounces each?
5.25b−6.5s
5.25b+6.5s
11.75(b+s)
6.5b+5.25s
Water evaporates at a rate of 1.5 ounces per day from a container that holds 34 ounces when full. Which expression represents the amount of water remaining in the container after d days?
1.5+34d
32.5d
34−1.5d
34+1.5d
Amanda bought g gallons of paint for $16.55 per gallon and t pints of paint thinner for $5.97 per pint.
16.55g•5.97t
16.55t+5.97g
16.55g+5.97t
16.55t•5.97g
A computer store bought a program at a cost of $10 and sold it at a selling price of $13. Find the percent markup.
23%
30%
77%
130%
A music store bought a CD set at a cost of $20. When the store sold the CD set, the percent markup was 40%. Find the selling price.
$8
$28
$50
$30
If the original quantity is 15 and the new quantity is 19, what is the percent change?
20%
27%
33%
40%
15% of what number is 132?
19.8
880
870
18.6
The number of students in the marching band this year is 125% as many as the number of students in the marching band last year. If there were 36 students in the marching band last year, how many students are in the marching band this year?
50
40
45
55
