We need to find 30% of 20 gallons.
1) We can write a proportion
20 gallons ---- 100%
x gallons --------30%
x = 20*30/100 = 6 gallons
2) Or we can write 30% as decimal.
30% = 30/100 = 0.3
0.3 of 20 = 0.3*20 =6 gallons
Answer 6 gallons are used efficiently.
Answer:
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Answer:
y = 2x
Step-by-step explanation:
Y = 2x
Answer:6x+5
Step-by-step explanation:
Answer:
Yes.
Step-by-step explanation:
Do the inside of parentheses first and then distribute. Remember PEMDAS.
1) 7(4-2) =
2) 7(2) =
3) = 14
