1. the sum of two numbers is 7. the difference between two times larger the number and the smaller one is 5. find the two number
s. 2. the length of a rectangular label is 2 cm more than its width. if the perimeter of the label is 68 cm, find the length and the width.
3. in a farm, there are some cows and some chickens. if the animals have a total of 35 heads and 96 legs, how many cows and chickens are there respectively?
4. five years ago, Ganesh was four times as old as his grandson, Ajit. five years from now, Ganesh will be three times as old as Ajit. find their present ages.
5. a shirt costs $s and a pair of trousers costs $t.
it is give that 2s + t = 115.
(a) given also that three shirts and two pairs of trousers cost a total of $200, write a second equation in s and t.
(b) solve the two simultaneous equations to find the value of s and the value of t.
D. He forgot to subtract the area of the base from the total surface area of the cube.
Step-by-step explanation:
He is only spray washing the *exterior* of the building; the base is not exposed so it will not be spray washed, which means Richard can use less water.
