Question

Deanna and Pietra each go for walks around a lake a few times per week. Last
week, Deanna walked 7 miles more than Pietra.

a. If p represents the number of miles Pietra walked, write an equation that represents
the total number of miles T the two girls walked.

b. If Pietra walked 9 miles during the week, how many miles did Deanna walk?

c. If Pietra walked 11 miles during the week, how many miles did the two girls walk
together?

Answer 1

a. T = p + (p +7 ) = 2p +7

Answer 2

b . p = 9
deana = p+ 7 = 16

Answer 3

c. p = 11 then
T = 2p+7 = 22 + 7 = 29