Answer:
a=-2
Step-by-step explanation:
Combine common variables on both sides.
3a-7a-28=10a
-4a-28=10a
Add variables to other side
-28=14a
Divide each side by 14
a=-2
Answer:
6x²
Step-by-step explanation:
3x×2x=6...... then an x²
Therefore answer is 6x²
Divide 648 by 4 (=162) to find out how many miles you travel in one hour and then multiply 162 by 5 or 6 to find out how far you traveled in the given amount of ims
So lets go step by step, first lets see how much Reagan spent, that is 2 banana splits, $3.25 each, that is:
total spent = 2*3.25 = 6.50
So Reagan spent $6.50 of her weekly allowance, and the problem says that $6.50 represents 26% of her weekly allowance, the question is to find out how much represents the 100% of her weekly allowance.
We can solve this using a rule of three, simple, with direct proportion:
26% -----> $6.50
100% ----> x
x = (100)(6.50)/26 = 650/26
x = 25
therefore Reagan's weekly allowance is $25