Tony usually saves 1/5 of his allowance. Last week, he only saved 2/3 as much. How much of his allowance did he save last week?

1 answer:

3 0

To write 2323 as a fraction with a common denominator, multiply by 2222.2322−122322-12To write −12-12 as a fraction with a common denominator, multiply by 3333.2322−12332322-1233Write each expression with a common denominator of 66, by multiplying each by an appropriate factor of 11.2⋅26−1⋅362⋅26-1⋅36Combine the numerators over the common denominator.2⋅2−(1⋅3)62⋅2-(1⋅3)6Simplify the numerator.16

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How do I find the distance between (-2,5) and (22,12)

jok3333 [9.3K]

$\bf ~~~~~~~~~~~~\textit{distance between 2 points} \\\\ (\stackrel{x_1}{-2}~,~\stackrel{y_1}{5})\qquad (\stackrel{x_2}{22}~,~\stackrel{y_2}{12})\qquad \qquad d = \sqrt{( x_2- x_1)^2 + ( y_2- y_1)^2} \\\\\\ d=\sqrt{[22-(-2)]^2+[12-5]^2}\implies d=\sqrt{(22+2)^2+(12-5)^2} \\\\\\ d=\sqrt{24^2+7^2}\implies d=\sqrt{625}\implies d=25$