Ling wants to save $87 for tickets to a rock concert if she has $23 now and will save $4 per week how long it take her to get enough money to buy the tickets

In this case we have that the total cost of the tickets is $87.If she is $23, then she is missing:

He is missing $64.

If you can save $4 per week we have:

Where "x" represents the number of weeks to work:

So, Ling must work at least 16 weeks to get the money he needs for concert tickets.

16 weeks

exactly you go it

step-by-step explanation:

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