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Question

Increase 70 by the following ratios: a) 4:3, b) 5:3, c) 8:7, d) 9:4, e) 11:5, f) 17:14 .

Solution

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Step 1
1 of 2

Write the given ratio as a fraction and multiply by 70:

$\textbf{a)}$

$\dfrac{4}{3} \times 70 = \dfrac{280}{3} = \boxed{\color{#c34632}{93\dfrac{1}{3}}}$

$\textbf{b)}$

$\dfrac{5}{3} \times 70 = \dfrac{350}{3} = \boxed{\color{#c34632}{116\dfrac{2}{3}}}$

$\textbf{c)}$

$\dfrac{8}{7} \times 70 = 8 \times 10 = \boxed{\color{#c34632}{80}}$

$\textbf{d)}$

$\dfrac{9}{4} \times 70 = \dfrac{360}{4} = \boxed{\color{#c34632}{157\dfrac{1}{2}}}$

$\textbf{e)}$

$\dfrac{11}{5} \times 70 = 11 \times 14 = \boxed{\color{#c34632}{154}}$

$\textbf{f)}$

$\dfrac{17}{14} \times 70 = 17 \times 5 = \boxed{\color{#c34632}{85}}$

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