Alex and ben shares £520 in the ratio 1: 3. what fractions of the £520 does ben receive?

Find the given elements if matrix d:

Apatient is given 50 mg dose of medicine the medicines effectiveness decreases every hour at a constant rate of 40% what is the exponential decay function that models this scenario how much medicine will be left in the patients system after 2 hours

On average, how many more hits will he get when he bats 100 times at home during the day as opposed to 100 times away at night?