Mike and brad have 30 to spend making models cars. Since wheels cost 0.50 each they decide they will be able to make more cars if they use three wheels instead of four. The car body and other material cost 1.25 per car. How many cars will they be able to make

Total number of car make = 10 cars

Step-by-step explanation:

Given:

Total amount = 30

Each wheel cost = 0.50

Other material cost 1.25 per car

Find:

How many cars make

Computation:

Cost of one car = 3(0.50) + 1.25

Cost of one car = 1.50 + 1.25

Cost of one car = 2.75

Assume, total number of car = a

So,

2.75(a) = 30

a = 10.9090

So,

Total number of car make = 10 cars

9.55 cm

Step-by-step explanation:

A quadrant of a circle is 1/4 of a circle.

Since the curved edge is 15 cm, a full circle would be 60 inches.

60/Pi = diameter

diameter = 60/3.14 = 19.11 cm

diameter/2 = radius

radius = 19.22/2 = 9.55 cm which is the length of a straight edge.