There was a 20% decrease from $42.50 to $34.00. You can model this by multiplying 42.50 by 0.80, which gives you 34.
Answer:
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Step-by-step explanation:
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The answer is B. Multiply both sides of the top equation by 2.
This is because if you multiply 3x by 2, you get 6x, and 6x is in the other equation, which makes the x-values equal
Answer:
23 students letter d ran the 50 yard dash
Answer:
12
Step-by-step explanation:
5(x-6)=2(x+3)
multiply
5*x and 5*6. 2*x and 2*3
5x-30=2x+6
minus 5x and 2x
3x-30=6
add 30 to 6
3x=36
divide both sides by 3 and the 3x cancels so 36÷3
x=12
