Question

The product of twenty less than eight times a number and thirty less than two times a number equals zero. Find the number(s).

a.) 2.5 or 15
b.)-5 or -5
c.) -60 or -80
d.) 60 or 80

Answer 1

twenty less than eight times a number -----> 8n-20
thirty less than two times a number ----> 2n-30
product = 0
(8n-20) (2n-30) = 0
can you solve this ?

Answer 2

I'll try...thank you for simplifying it for me

Answer 3

welcome :) ask if you get stuck...