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80 percent of what number equals 40?
To find the number, you would set up the equation 0.80x = 40, where x represents the unknown number. To solve for x, you would divide both sides by 0.80 to isolate x, giving you x = 40 / 0.80. Therefore, the number is 50.
What mathematical equation matches these wordsWhat mathematical equation matches these words Four times an unknown number added to eight times an unknown number equals thirty-six?
If they are two different unknowns then it is: 4x+8y = 36 If they are the same unknowns then it is: 4x+8x = 36 in which x works out as 3
Solve a number increased by nine is fifteen?
Let x represent the unknown number and use the known numbers to solve. Set up the equation: x + 9 = 15 (subtract 9 from each side to solve for the unknown number) x = 6
What is an equation that represents 8 less than twice a number is 42?
Alright, buckle up, buttercup. The equation you're looking for is 2x - 8 = 42. So, if you solve for x, you'll find out that the number you're looking for is 25. Math doesn't have to be a pain in the butt if you just tackle it head-on!
62 percent of what number is 310?
To find the number, you can set up the equation 0.62x = 310, where x is the unknown number. To solve for x, you divide both sides by 0.62 to isolate x. Therefore, the number is 500.
