Question

i need help asap ill give brainly

Answer 1

Answer:

thx

Step-by-step explanation:

Answer 2

Plan #1: .70x+50

Plan #2: .80x

$.7x+50 = .8x\\(.7x+50)*10 = .8x*10\\7x+500=8x\\7x=8x-500\\-x=-500\\x=500$

.70(500)+50=400

.80(500)=400

X = 500 miles

I hope I've helped! :)