Michael and Thomas are selling their lego collections. They agree to split any money they earn. They sell them based on how many circles are on top. Each circle costs 1 cent. They earned $5 each after selling 100 single pieces, 45 double pieces, 50 triple pieces and a number of quadruple pieces. How many quadruple pieces did they sell?
A step-by-step solution is:
165
They made $10 because 2 x 5 = 10.

They made $1 off single pieces because 100 x.

01 = 1.

They made $.

9 off double pieces because 45 x.

02 =.

9.

They made $1.

5 off triple pieces because 50 x.

03 = 1.

5.

They earned $3.

4 off the first three types because 1 +.

9 + 1.

5 = 3.

4.

They earned $6.

6 off the quadruple pieces because 10 - 3.

4 = 6.

6.

They sold 165 quadruple pieces because 6.

6 /.

04 = 165.

.

So, the final answer is 165