Answer:
Step-by-step explanation:
The first answer is that the sale price is 25% cheaper its a dumb question.
The second answer is the 2nd option because it states that sale prices are 30% of the original. For example if you had a $100 item it would cost you 30% of that original price. But if you went to the first store it would cost you $70 dollars because its 30% off of the original price.
Answer:
I think is A tell me if I am wrong
Step-by-step explanation:
The top right one is not a function
58
Sorry if I got that wrong
Answer:
31.5 m^2
Step-by-step explanation:
To find the amount for 7 bags, create a proportion.

To solve for y, cross multiply numerator to denominator of each fraction.
4(y) = 18(7)
4y= 126
y= 31.5
7 bags will do 31.5 m^2