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I need help on question 24-26

I Need Help On Question 2426 class=

Sagot :

mathstudent55

Answer:

24 38%

25 17.04%

26 53%

Step-by-step explanation:

Q24

L = MN

M becomes 1.15M; N becomes 1.2N

L = (1.15M)(1.2N)

L = 1.38MN

L was MN; now L is 1.38MN

Answer: The percent increase in L is 38%

Q25

A = bh/2

A = 0.5ab

a becomes 1.33a; b becomes 0.88b

A = (1.33a)(0.88b)/2

A = 0.5852ab

The area increased from 0.5ab to 0.5852ab.

0.5852/0.5 = 1.1704

Answer: The percent increase in area is 17.04%

Q26

30% of members are male

70% of members are female

Male training for marathon: 60% of 30% = 18%

Female training for marathon: 50% of 70% = 35%

Total: 18% + 35% = 53%

Answer: 53%

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