Step-by-step explanation:
5x-16 = 3 (10+x)
=> x= 23
Answer:
there are 40 boys
Step-by-step explanation:
32/4=8 5*8=40
Is there a none option? if not then it has to be B.
Answer:
C.
84
Step-by-step explanation:
This question is solved using proportions.
From the sample:
11 + 3 = 14 out of 13 + 11 + 3 = 27 would rate the test something other than easy.
Out of 162:
Applying the rule of three:
14 - 27
x - 162
Applying cross multiplication:



Thus the correct answer is given by option C.