An item was bought for £200. It was sold for £80. What was the percentage loss? I need the answer ASAP pls

Write the fraction 9/50 as a decimal if needed round to the nearest hundredth

It is saturday morning and jeremy has discovered he has a leak coming from the water heater in his attic. since plumbers charge extra to come out on the weekends, jeremy is planning to use buckets to catch the dripping water. he places a bucket under the drip and steps outside to walk the dog. in half an hour the bucket is 1/5 of the way full. what is the rate at which the water is leaking per hour?

Paul’s car is 18 feet long. he is making a model of his car that is 1/6 the actual size. what is the length of the model?