Answer:
5x-10=20
5x=20-10
x=10:5
x=2
x = 6.
Step-by-step explanation:
5x - 10 = 20
5x - 10 + 10 = 20 + 10
5x = 30
5x/5 = 30/5
$30.80
10% of $28 is 2.80
add 28+2.80=30.80
Solution in attachment :
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B
I don't know how to explain it, but I hope I got it right and that it helped you.
If i did this right the answer would be 69
I converted the inches to feet (might be my first mistake)
so i get 2.5 X 1 X 1 to get 2.5
i then multiply that by 62.4 to get 156
then 225-156 = 69
