Question

Amachine which manufactures ice needs to be run for
10 minutes to warm up before the production of
ice begins. The mass, in tonnes, of ice produced
is directly proportional to the number of hours of
production. Given that 20 tonnes of ice are produced
when the machine runs for half an hour, find the
mass of ice manufactured when the machine runs
for 1.75 hours.?

Answer 1

Answer:

sorry I don't know the answer