The answer is 6x+7x there is no answer without the value of c
30$ originally - 21$ paid = 9$ discount
> divide the discount by the original price, multiply by 100 to get the percent decrease.
100 x (9$ / 30$) = 30% discount
> So the shoes where on sale for 30% off the original price.
for the equation:
100 x (30-21)/30 = % decrease
The answer is -2. You multiply 1 X (Not 2), that would be the negation of 2. That equals -2. Everyone knows that a negative number times itself is just itself. So there is your answer.
Answer:
10
Step-by-step explanation:
Set up as a proportion:
, insert given values
, cross multiple
36*?=30*12
36*?=360, divide both sides by 36 to get the missing side (?) by itself
?=10
