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2 years ago

65% of what number is 143

Mathematics

2 answers:

natulia [17]2 years ago

4 0

X * .65 = 143
Divide both sides by .65.
x = 220

143 is 65% of 220.

creativ13 [48]2 years ago

3 0

The answer is 220
equation: 143=0.65x
divide both sides by 0.65 to isolate x

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James is two years younger than twice his sister Kate’s Age. Together their ages add up to 19. What is each of their ages?

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<h3>Further Explanation </h3>

One variable linear equation is an equation that has a variable and the exponent number is one. Can be stated in the form:

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Whereas the two-variable linear equation is a linear equation that has 2 variables and the exponent is one

Can be stated in the form:

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In the statement of the task:

James is two years younger than twice his sister Kate’s Age can be stated in the equation: James (J) = 2K (Kate) - 2 ⇒equation 1

Together their ages add up to 19. The equation: J + K = 19 .... 2 ---> J = 19 - K ⇒equation 2

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Equation 2 is entered into equation 1 so that it becomes:

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