Question

5.
Solve the following
a) John's bike covers a distance of 99.2 km per 1.6 litres of petrol.
costs 270.2, how much money does he need to buy the petrol needed to cover a
distance of 186 km?
b) A certain amount was deposited into a bank account having an interest rate of 5%.
If the total amount after 4 years was 1,500, how much was the amount deposited
initially? For the same initial amount, how should the interest rate increase such
that the simple interest would amount to 400?​

Answer 1

Answer:

a)99.2km uses 1.6litre what about

186km

99.2km=1.6 litres

186km=?

186×1.6/99.2=3litres

1.6 litres costs sh.270.2 what about 3 litres

1.6 litres =sh.270.2

3 litres =?

3×270.2/1.6 then you multiply 10 by the denominator and numerator

It will be 3×2702/16

The answer is =sh.506.63

Hope it will help mark as the brainliest

Step-by-step explanation: