Write equivalent fractions for 2 1/2 + 1 3/5

Somone me i want to know what 18 hours out of 24 hours in a fraction

The base of a triangle exceeds the height by 7 centimeters. if the area is 400 square centimeters, find the length of the base and the height of the triangle.

Julie buys 2kg of apples and 7kg of pears ? 12.70. the pears cost ? 1.30 per kilogram what is the price per kilogram of the apples? show your working out