Zigfield bought his car using M% of his bank savings. He also bought a house that costs 4 times the price
of the car. What is the price of the house?
(1) M = 12.
(2) The price of the car and the house was $140,000.
There are X dogs in the dog hound, each dog eats Y Kg of food every day. What percent of the total food
weight does each dog eat?
(1) If there were 3 dogs less then each dog could eat 1.2 Kg more than he is does now. (2) If there were
half the dogs, each dog could eat 3 Kg more than he is does now.
If Peter spends $460 on three pairs of shoes, how much did the least expansive shoes cost? (1) The ratio
between the most expansive shoes to the least expansive shoes is 3 to 1. (2) The ratio between the least
expansive shoes to all the other ones is 1 to 5.