Question

a boys took 3 jumps. the first was 4/5 m long the 2 jumps was 1/2 m long and the 3 was 9/10m long. how far did the boy jump in all.

Answer 1

Answer:

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Step-by-step explanation:

In all, he jumped

$\frac{4}{5} + \frac{1}{2} + \frac{9}{10} \\ \\ taking \: \: lcm \\ \\ \frac{4 \times 2}{5 \times 2} + \frac{1 \times 5}{2 \times 5} + \frac{9 \times 1}{10 \times 1} \\ \\ \frac{8}{10} + \frac{5}{10} + \frac{9}{10} \\ \\ \frac{8 + 5 + 9}{10} \\ \\ \frac{22}{10} = 2.2 \: m$