Mango wants to buy balloons and have them delivered. He can choose
between two different stores.
Store A: Charges 50 dollars for
delivery, plus 5 dollars per balloon
delivered
Store B: Charges 80 dollars for
delivery, plus 1.25 per balloon
delivered

60: 45 =12: 9 =4: 3 so the answer is 4: 3

step-by-step explanation:

we have

using a graphing tool

see the attached figure

this is a quadratic equation (vertical parabola) open up

the vertex is a > vertex

the domain of the function is all real > interval (-∞,∞)

the range of the function is the > [-6.125,∞)

the function has two x->   and

the function is increasing over the > (0.25,∞)

the function is decreasing over the > (-∞,0.25)

ιт ωαѕ 5¢м вє¢αυѕє 1/4 σf 20 ιѕ 5

αи∂ 5*4=20

нσρє ι ¢συℓ∂ нєℓρ уσυ