Math picat test verification with graded solution

A radar is designed to report the track of an aircraft every second. If this radar reports 30 tracks in one minute, what percentage of the time did the radar track the aircraft? D. 50% Jerry walked a dog from 6:40 a.m. to 7:30 a.m. one day. If he was paid at the rate of $6 per hour, how much did he earn that day? B. 5.00 A woman is looking for a bigger square office. She finds an office twice the area of her current office. If the perimeter of her current office is 88 feet, how many square feet is the new office? C. 968 If the perimeter of a square garden is 84 feet what is the area of the garden D. 441 How many feet of chain fence are necessary to enclose a dog pen that is a square and has an area of 64 square feet C. 32 The pet store had 6 puppies selling for $104 each and 12 kittens selling for $24 each. Today, only 2 puppies and 8 kittens were left. In dollar terms, what was the ratio of sales of puppies to kittens? A. 13 to 3 The price a salmon at a market is $5.40 per pound. This is 150% of its cost at a supermarket. How much would it cost per pound at the supermarket B. 3.60 A train goes twice as fast downhill as it can go uphill, and 2/3 as fast uphill as it can go on level ground. If it goes 120 mph downhill, how long will it take to travel 45 miles on flat land? A. 1/2 Jamie just bought two boxes. The first box is square, with each side measuring 10 units, and is 4 units high. The second box is rectangular and has twice the volume of the square box. If the height of the second box is 5 units, and the width is 10 units, what is the length of the second box? C. 16 If the population of a certain city increased 25% in two years, the new population was what percent of the old? D. 125% If 35 of the 140 cars delivered to a dealer were blue, what percent of the cars were blue? D. 25 There are 9 red and 6 green marbles in a bag. A child reaches in the bag and randomly takes one marble. What is the probability of that child getting a green marble? A. .66 If a 5-foot post casts an 8-foot shadow at the same time that a nearby tree casts a 48-foot shadow, how tall is the tree? A. 30