SOLVE BY FORMING EQUATION 1
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SOLVE BY FORMING EQUATIONS 1
Solve the following word problems by solving equations.
Example:1. What number gives 234 when you multiply the number by 45 and then divide it by 20.
Answer: Let the number be N.![](https://funwithscienceclub.com/wp-content/uploads/2021/03/Solve-by-forming-equations-example-2.png)
1. String A is 25 cm long. It is 5/7 of string B. What is the total length of the
strings?
2. Saira was told to multiply 126 by 32. Instead, she multiplied 126 by a number, and so the original answer becomes 1134 greater than her answer. Find the number?
3. Find the number in the start box?
4. Find the weight of 10 balls?
![](https://funwithscienceclub.com/wp-content/uploads/2021/03/Solve-by-forming-equations-Q4-1.png)
5. What must be added to 124978 to make it 1000000?
7. John is 36 years old. His son is 8 years old. The age of John, his wife and their son add up to 77. Which equation could be used to determine how old is John’s wife is, if N = John’s wife’s age?
8. The product of a number and 712 is X. Adding 62 to X gives 7894. Find the number?
9. I think of a decimal number. If I multiply it by 2, then add 1.5 and then divide it by 3, then I get 3.5. Find the number?
10. The Length of a string is 75 cm. The length of another string is 20 cm more than double of first string. What is the total length of both the strings?