three more than a number is 9. ________________
a number multiplied by 5 is 15. _________________________
2 less than a number is 11. _________________________
Answers
Answer:
3 more than a number is 9. ------ 3
a number multiplied by 5 is 15. -----3
2 less than a number is 11.------13
Step-by-step explanation:
proof:
- 3×3=9
three times 3
- 5×3=15
three multiplied by 5 is 15
- 13-2=11
2 less than 13 is equal to 11
A) Three more than a number is 9.
Let- Number be x.
According to question, when 3 is added to number x , we get 9.
This means , x + 3 = 9
➝ x = 9 - 3
➝ x = 6
Therefore the required number x is 6
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B) A number multiplied by 5 is 15
Let - Required number be y
According to question, when 5 is multiplied with number y , we get 15
➝ y × 5 = 15
➝ y = 15 ÷ 5
➝ y = 3
Therefore required number y is 3
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C) 2 less than a number is 11.
Let - Required number be z
According to question, when 2 is subtracted from required number z , we get 11.
➝ z - 2 = 11
➝ z = 11 + 2
➝ z = 13
Therefore Required number z is 13
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