Answer:
Step-by-step explanation:
if the ratio is 8:11 then 40:x
Cross multiply
8 40
11 x
8x=440
And divide by 8
x=55. She has 55 books
Answer:
6/10 ; 3/5 (simplified form)
Step-by-step explanation:
To solve, note the decimal place value. Move the decimal point to the right two place values, and set it over 100
0.6 = 60/100
Simplify the fraction. Divide common factors from the numerator & denominator (20 in this case)
(60/100)/(20/20) = 3/5
3/5 is your answer
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It would be: 25² = 7² + b²
b² = 625 - 49
b = √576
b = 24
In short, Your Answer would be Option B
Hope this helps!
Answer:
-142
Step-by-step explanation:
First solve parenthesis,
(12) - (23 +131) =
(12) -154
Finally subtract,
12-154
= -142
