5 x 3/4 = 15/4
15/4 = 3 3/4
Answer: y=29, x=-3
Step-by-step explanation:
eq. 1: 9x+y=2
9 • -3+y=2
-27+y=2
y=29
eq. 2: -4x-y=-17
4x+y=17
5x=-15
x=-3
Answer:
A. 354.20 + 50.60w ≥ 1,099.51
Step-by-step explanation:
$354.20 (her savings)
$50.60 (what she can save every week)
she need to get to a total of (at least) $1,099.51
354.20 (she already have) + 50.60 per week it need to be equal or more than 1,099.51
354.20 + 50.60w ≥ 1,099.51
C C C C C C C C is the answer
20% percent refers to the rate
So to find 20% off of $125 you have to multiply the rate by the original price and then subtract that number from the original price
First you have to make the percent into a decimal. To do that you have to move the decimal point over to the left two times or divide by 100:
20/100= .20
So the equation would be:
.20 • 125= 25
Now you have to subtract from the original number:
125-25=100
So the answer would be that the stereo would cost 100 with the 20% off sale