The Ratio of boys to girls at a middle school is 3:2. If the school has 400 people how many will be boys?
2 answers:
You have to divide 400 by 5. That will equal 80. Since the ratio is 3:2 Just multiply 3 by 80 then 2 by 80! :-)
240 people are boys 1. You have to find the total of boys and girls there are by adding 3 with 2. (5)2. You have to divide 400 by 5. (80)3. You have to multiply 80 by 3 to get the amount of boys there are in 400 people. (240)
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You will need to add 3 to each side.
x^2-3=15
+3 +3
x^2=12
and go from there
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Answer:
Yes
Step-by-step explanation:
Because they are reflecting over a x intercept
Answer:
Ava is 10 years old
Step-by-step explanation:
Sara is 8
Sara=$8 per week for 12 weeks
$8×12 weeks=$96
Ava has $24 more than Sara
x*12=96$+$24
12x=120
x=120/12
x=10
Ava's age is 10
