Sam needs a web designer. designer a is offering her services for an initial $510 in addition to $80 per hour. designer b is offering her services for an initial $650 in addition to $45 per hour. when will the two designers charge the same amount of money?

The answer is when they work 4 hours  x=4

Step-by-step explanation:

510 + 80x = 650 + 45x

80x - 45x = 650 - 510

35x = 140

x = 140/35

x = 4 hours

a.

step-by-step explanation:

step 1 distribute 2 to every term in the parentheses

step 2 add 10 on both sides of the equal sign