When 7 is added to a X number, the resulting number is 77. The product of 7 and number X is?
- 390
- 490
- 443
- 343
Explanation
X + 7 = 77
Subtract 7 from both sides:
X = 77 - 7
X = 70
Now that we know X, we can find the product of 7 and X:
7 × X = 7 × 70
= 490
Related MCQs
- 2x² + 4 = 9x
- 2x² + 9 = 4x
- 2x² + 9 = 4x
- x² + 4 = 9x
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