1.4
rewriting equations and formulas (continued)
o
rb)
write a formula for the area n
solve the formula for h.
use the new formula to find the height.
b
4 in
a
15 in
86 in
a =
(b +b)
activity: using volume and surface area formulas
រង
ve
work with a partner.
a. write a formula for the volume of a prism.
• solve the formula for h.
• use the new formula to find the height of
the prism

answer:

rtrbrbrbrr

step-by-step explanation:

5x+2x=49

7x=49

x=7. 35 apples

exa:

)

3+11

14

step-by-step explanation:

from this example, we can see that subtracting with integers is the same as adding the opposite. we can solve using a number line or by using the saying "keep, change, change" to us solve. it is important to remember that we can subtract a negative and end up with a larger number than we started with.