Albert had \$y. He spent \$12 on a novel and gave 13 of the remainder to his mother.
1. How much did he give to his mother?
2. How much did he have left?
2 m
During a sale, a watch with a selling price of \$180 was given 2n% discount. If Fina bought it at the discounted price, how much did she save?
2 m
The average age of Randy and Michael is 8z years. Ron is 20z years old. What is the average age of the 3 men?
2 m
John used 3 rubber bands to form the sides of triangle ABC where AB = 8 cm, BC = x cm and AC = 2x cm. Bob stretches two of the elastic bands and enlarges triangle ABC. The sides BC and AC were stretched to 2 times its original length. What is the perimeter of the stretched triangle ABC?
2 m
The perimeter of an isosceles triangle is (6k + 21) cm. The longest side is (2k + 7) cm. Find the length of one of the equal sides.
2 m
The average mass of Lynn and Joan is 18p kg. If Joan is 4p kg lighter than Lynn, find Lynn's mass in kg.
2 m
The area of each face of the cube in the figure is b2 cm2.
1. Find the volume of the cube in terms of b.
2. If b2 = 36, find the volume of the cube.
2 m
Jimmy and Kenny had \$180 in all. Ken had \$(12b + 6) more than Jim. How much did Jim have if b = 7?
2 m
PSLE
Cindy is y years old. Sarah is three times as old as Cindy and Sarah is 5 years older than Jim.
1. What is Jim's age in terms of y in years?
2. If Cindy is 13 years old, how many years older is Jim than Cindy in years?
2 m
PSLE
Use the table given to answer questions (a) and (b).
1. What was the total number of muffins sold last week?
2. Express your answer in terms of w in the simplest form. If w = 20, how many more muffins were sold on Sunday than on Saturday?
2 m