At the store the ratio of books sold to movies sold was 8: 2. for every __ books sold there were __ movies sold

8:2

divide  each side by 2

4:1

For every _8_ books sold there were _2_ movies sold  OR

For every _4_ books sold there were _1_ movies sold

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

answer:

it is 28 degrees colder in detroit than philadelphia.

step-by-step explanation:

what number adds to 21  

-7 + ? = 21

-7 + 28 = 21

hope it