Question

please please please answer this​

Answer 1

a bike covers = 42 km

2 1/7=15/7

15/7 ÷42

=90

140×42=5880

Answer 2

Step-by-step explanation:

$\mathbf\red{Given}$

• A bike covers 42km in 1 litre of petrol

$\mathbf\blue{To\:Find}$

• (a) The distance covered by the bike in $2 \frac{1}{7}$ litres
• (b) The quantity of petrol required to cover 140km

$\mathbf\green{Solution}$

$\tt{Distance \:covered \:by\:bike\:in\: 1\:litre\:petrol = 42km}$

$\tt\{Distance \:covered \:by\:bike\:in\: 2 \frac{1}{7}$ = $\frac{15}{7}$litre petrol = $42\times \frac{15}{7}$

$\implies 90km$

$\tt\purple{Therefore, \:The\:bike\:covers\:90km\:in 2\frac{1}{7}\:of \:petrol = 90km}$

_________________

$\tt\{Petrol\: required\:to\:cover\:42km = 1\:litre}$

$\tt\{Petrol\:required\:to\:cover\:1km = \frac{1}{42}$litres

$\tt\{Petrol\:required\:to\: cover\:140km$ = $\frac{1}{42}\times140$

${= \frac{140}{42}}$

$\tt{\implies 3.33\:litres}$

$\tt\purple{Therefore,\:Petrol\: required\:to\:cover\:140km\: = 3.33\:litres}$

$\large\pink{\underline{{\boxed{\textbf{Be\:Brainly}}}}}$