15/x = 40/100. Cross multiply to get 1500 = 40x. Divide by 40 on both because you want to isolate the variable. The idem would originally cost $37.50. To check your answer you would substitute your equation and get 15/37.5 = 40/100. Just so you know a decimal can be in a fraction. Cross multiply to get 1500 = 1500. <span />
Answer:
D. 1.601 x 10^9
Step-by-step explanation:
hope this helps :)
D
substitute x = - 6 into the equation
y = 17 - (- 6 ) = 17 + 6 = 23 → D