You and two friends went to the movies. After purchasing tickets, popcorn and drinks you and your friends spent $72 total. Payment was made in a 2:3:4 ratio. How much money did each friend contribute ?

Step-by-step explanation:

2:3:5

2+3+5=10

2÷10 ×72=$14.4

3÷10×72=$21.6

5÷10×72=$36

a framing bias

step-by-step explanation:

rodrigo is subject to a framing bias i believe.

let y equal to

the total fare and x is the mile of taxi ride. so the equation is

y = 0.55x + 1.75

since susie has

$10 to spend for a taxi cab, so he can have

10 = 0.55x +

1.75

x = 15 miles of

taxi ride

so the system of

inequality is

10 < 0.55x +

1.75

x > 2