Question

Manny works 40 hours per week. He must work for his parents where he earns $8 per hour. He also works for a computer company where he earns $20 per hour. What is the minimum number of hours Manny can work for the computer company to earn a total of $464 per week from both jobs?

Answer 1

8*(40-x)+20*(x) = 464
320 - 8x + 20 x = 464
12 x = 144

Answer 2

oh i see. thanks!!

Answer 3

the hypotenuse od a right triangle is 13 cm. one of the legs is 7 cm longer than the other leg. Find the area of the triangle