Download 15-2 - kingdomgrade5

Name
Practice
15-2
Solving Multiplication and
Division Equations
Solve each equation.
yⴝ5
pⴝ6
150 ⫽ 25p
k ⫽ 8 k ⴝ 288
___
c⫽6
2. __
3.
4.
5.
36
xⴝ3
ⴝ9
81 ⫽ 9t t
ⴝ5
20 ⫽ 4a a
7. 30 ⫽ 10x
9.
11.
13. Reasoning Antoinette divides
54 by 9 to solve an equation for y.
One side of the equation is 54.
Write the equation.
9y ⴝ 54
6.
8.
Practice 15-2
c ⴝ 54
9
w w ⴝ 64
16 ⫽ __
4
ⴝ3
13d ⫽ 39 d
m ⫽ 13 m ⴝ 91
__
1. 11y ⫽ 55
7
bⴝ6
e ⫽ 2 e ⴝ 160
___
10. 5b ⫽ 30
12.
80
14. Adam is making a trout dinner for
six people. He buys 48 oz of trout.
How many ounces of trout will each
person get?
6x ⴝ 48; x ⴝ 8 oz each
15. Which operation would you use to solve the equation
19x ⫽ 646?
A add 19
B subtract 17
C divide by 19
D multiply by 19
16. Explain It How would you use mental math to find m in the
m
⫽ 2?
equation 63 (__
63 )
© Pearson Education, Inc. 5
Sample answer: Multiplying and
dividing m by 63 undo each other. So
the equation is m ⴝ 2.
Topic 15
29