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olasank [31]
3 years ago
7

Henry is hanging flyers on front doors for his father's pizza business. He hung 130 flyers in 95 minutes. He still has 870 flyer

s to hang. His brothers, Nick and Adam, come to help. Nick hangs flyers 50% faster than Henry, and Adam hangs flyers 20% slower than Henry. Find the constant of proportionality for the flyer hanging rate of Henry, Nick, and Adam combined? (round to nearest tenth)
Mathematics
2 answers:
Jet001 [13]3 years ago
8 0
The answer is 4.53 but you have to round to the nearest tenth so you get 4.5
Nuetrik [128]3 years ago
3 0
Given:
Henry: 130 flyers in 95 minutes.
Nick hangs flyers 50% faster than Henry
Adam hangs flyers 20% slower than Henry
Remaining flyers: 870

Henry's rate per minute = 130/95 = 1.37 flyers per minute

Nick: 1.37 * 1.50 = 2.055 or 2.06 flyers per minute
Adam: 1.37 * 0.80 = 1.095 or 1.10 flyers per minute

1.37 flyers + 2.06 flyers + 1.10 flyers = 4.53 flyers per minute.

870 flyers  ÷ 4.53 flyers per minute = 192 minutes

the constant proportionality for the flyer hanging of all three is 4.53 flyers per minute. They will finish hanging the remaining 870 flyer within 192 minutes.
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