Mathematics, 07.11.2019 07:31 kidcashdw

Each day you run on a treadmill for “r” minutes and lift weights for 15 minutes. which expressions can you use to find how many minutes of exercise you do in 5 days?

a. 5(r+15)
b.5r+5•15
c.5r+15
d. r(5+15)

explain your reasoning:
a: they are both expressions with r as the variable

b: they are not equivalent expressions

c: they are equivalent expressions

d: both expressions contain the terms 5,r, and 15

Answers: 2

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Each day you run on a treadmill for “r” minutes and lift weights for 15 minutes. which expressions c...