Of the 78 teenagers of the youth camp and 63% have birthdays in spring about how many teenagers have birthdays in spring
2 answers:
Answer about 49.
Step-by-step explanation:
Step 1. To model the situation in mathematical terms, express
63
%
as a fraction.
63
%
⇒
0.63
⇒
63
100
Step 2. To find
63
%
of the
78
teenagers, multiply
78
by
63
100
.
78
×
63
100
Step 3. Solve.
=
78
39
×
63
100
50
=
39
×
63
50
=
49.14
≈
∣
∣
∣
∣
¯¯¯¯¯¯¯¯¯¯¯¯¯¯¯¯¯¯¯¯¯¯¯¯¯¯¯¯¯
a
a
49
i
teenagers
a
a
∣
∣
−−−−−−−−−−−−−−−
about 49%
We can convert 63% directly to a decimal:
63% = 0.63
Then, doing the calculation by hand or with a calculator, we find
63% of 78 = 0.63 x 78 = 49.14
So the final answer is
63% of 78=49.14
You can round the decimal, if you're looking for a whole number, to about 49%.
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Step-by-step explanation
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Step-by-step explanation:
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Step-by-step explanation:
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Answer:
B, C, A.
Step-by-step explanation:
A = C + 3A = C + 3
A = C + 3
A = C + 3A
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Hope this helps!
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