An electric heater draws a current of 5 ampere from 220 volt supply. Calculate (a) its resistance.
(b) electrical energy consumed in kwh if it is used for 4 hours​

you divide the cost ($15) by the quantity (6) to get your questions answer. the yo-yo costs $2.50. hope this : )!

step-by-step explanation:

for ex: the reciprocal of 3/4 is 4/3. it is the opposite.

reciprocal definition:

a mathematical expression or function so related to another that their product is one; the quantity obtained by dividing the number one by a given quantity.