Heather is building a ladder for her treehouse. She will need 13 feet of lumber for each stilt and 2 feet of lumber for each rung on the ladder. How many feet of lumber does she need for a ladder with 2 stilts and 12 rungs?

A. 29 feet because 2+13+12+2=29

B. 50 feet because 2 (13) + 12 (2) = 50

C. 160 feet because 13 (12) + 2 (2) = 160

D. 210 feet because (2+13) (12+2) = 210

Question

Joshua Wolfe

15 August, 07:34

+5

Answers (2)

Know the Answer?

Kamryn Waters · Answer 1

B is correct. (2 x 13' per stilt) + (12 x 2' per rung) = 50' total

Trevin Taylor · Answer 2

13 ft for each stilt ... and she needs 2 of them ... and 2 ft for each rung ... and she needs 12 of them ...

13 (2) + 2 (12) = 26 + 24 = 50 ft <===