Iya072011idn
Answered

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Learning Task 4:
A. Use a decimal to find the percentage of each number. Use the formula P=RxB
1. 71% of 240=
2. 19 of 400=
3. 45% of 210 =
4. 19 % of 300 is =
B. Solve the following percentage problems. Write the answer in your notebook.
Use the formula P=Rx
B.
John Lloyd has participated in 120 on-the-spot drawing competitions. For the
last four years,he won 75%of them.How many times did he win?

Sagot :

XHimariidn

A.

1. 71% of 240= 170.4

Solution: 0.71 × 240 = 170.4

2. 19 of 400= 76

Solution: 0.19 × 400 = 76

3. 45% of 210 = 94.5

Solution: 0.45 × 210 = 94.5

4. 19 % of 300 = 57

Solution: 0.19 × 300 = 57

B.
John Lloyd has participated in 120 on-the-spot drawing competitions. For the last four years, he won 75%of them. How many times did he win?

90 times

Solution: 0.75 × 120 = 90

Hope this helps :D

MysticalGlimpseidn

Hello!

A.

Formula:

  • P = R×B

1. 71% of 240 = 170.4

Solution:

  • P = 71% × 240
  • P = 0.71 × 240
  • P = 170.4

2. 19% of 400 = 76

Solution:

  • P = 19% × 400
  • P = 0.19 × 400
  • P = 76

3. 45% of 210 = 94.5

Solution:

  • P = 45% × 210
  • P = 0.45 × 210
  • P = 94.5

4. 19% of 300 = 57

Solution:

  • P = 19% × 300
  • P = 0.19 × 300
  • P = 57

B.

John Lloyd has participated in 120 on-the-spot drawing competitions. For the last four years,he won 75% of them.How many times did he win?

Formula:

  • P = R × B

Solution:

  • P = 75% × 120
  • P = 0.75 × 120
  • P = 90

Answer:

  • He won 90 times

NOTE:If you dont know how to convert percent into decimal..just divide the number of percent in 100.

Example:

25%

  • 25% ÷ 100
  • 25 ÷ 100
  • 0.25

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