Question

Beverly is starting a new diet. Her current weight is 160 pounds. She expects to lose 4 pounds per month. If x represents the number of months Beverly is on the diet, predict how long it will take her to reach a goal weight of 120 pounds.

A) 6.5 months
B) 7 months
C) 8.75 months
D) 10 months

Answer 1

ιт ωιℓℓ вє (∂) 10 мσитнѕ

вє¢αυѕє ιf ѕнє ωєιgнѕ 160 яιgнт иσω,αи∂ ωαитѕ тσ ℓσѕє 4 ρєя мσитн χ єqυαℓѕ нσω мαиу мσитнѕ,ѕнє ωαитѕ тσ gєт тσ 120 ℓвѕ

ѕσ αℓℓ уσυ иєє∂ тσ ∂σ ιѕ

160-120=40

40∂ινι∂є∂ ву 4= 10

нσρє ι ¢συℓ∂ нєℓρ

Answer 2

D. 10 months

This is because to find the value of x you subtract the original value (160) by her final volume (120) to get 40. Since she wants to lose 4 pounds a month, you plug 4 in as the coefficient in front of x to get 4x=40. Divide by 4 to get 10!

Hope this helps:)