There are 70 historical fiction books in the school library. Historical fiction books make up 1/10 of the library's collection. The equation 1/10b= 70 can be used to find out how many books in library's collection

step-by-step explanation:

$11.01

$16

$15

$4

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38.5

step-by-step explanation:

lets say, first number = r

second number = 3r+7

total = 49

(r)+(3r+7)= 49

4r+7 = 49

4r = 42

r = 42/4

r= 10.5

3r+7 = 3(10.5)+7 = 38.5

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step-by-step explanation:

hans did not square the 40-unit side; he merely multiplied it by 2.   incorrect.

asdsad

step-by-step explanation: