Topic 1 Review MAT-144 Spring 2023
1)Ahmad has two coupons for a jacket.
a.Coupon A: $16 rebate on a $55 jacket
b.Coupon B: 35% off a $55 jacket
Which coupon gives the lower price and how much less is the price with that coupon? 35% = 35/100 = 0.35
0.35 * 55 = 19.25
Coupon A: $16 Coupon B: $19.25
Coupon A: 55 – 16 = 39
Coupon B: 55 – 19.25 = 35.75
2)A house has increased in value by 36% since it was purchased. If the current value is
$238,000, what was the value when it was purchased?
238,000(1.36) = 323,680
3)A family budget is based on a net income of $3300 per month. Each month, they put 19% into savings. How much more money is spent than saved?
4)The price of a notebook is $3.30 today. Yesterday’s price was $3.80. Find the percentage decrease. Round your answer to the nearest tenth of a percent.
3.3 = 3.80 (x)
5)Scientists are studying the temperature on a distant planet. They find that the surface temperature at one location is 30 degrees Celsius. They also find that the temperature decreases by 3 degrees Celsius for each kilometer you go up from the surface. Let T represent the temperature and let H be the height above the surface. Write an equation relating T to H.
6)A certain medicine is given in an amount proportional to a patient’s body weight. Suppose a patient weighing 195 pounds requires 279 milligrams of medicine. What is the amount of medicine required by a patient weight 130 pounds?
1)Ahmad has two coupons for a jacket.
a.Coupon A: $16 rebate on a $55 jacket
b.Coupon B: 35% off a $55 jacket
Which coupon gives the lower price and how much less is the price with that coupon? 35% = 35/100 = 0.35
0.35 * 55 = 19.25
Coupon A: $16 Coupon B: $19.25
Coupon A: 55 – 16 = 39
Coupon B: 55 – 19.25 = 35.75
2)A house has increased in value by 36% since it was purchased. If the current value is
$238,000, what was the value when it was purchased?
238,000(1.36) = 323,680
3)A family budget is based on a net income of $3300 per month. Each month, they put 19% into savings. How much more money is spent than saved?
4)The price of a notebook is $3.30 today. Yesterday’s price was $3.80. Find the percentage decrease. Round your answer to the nearest tenth of a percent.
3.3 = 3.80 (x)
5)Scientists are studying the temperature on a distant planet. They find that the surface temperature at one location is 30 degrees Celsius. They also find that the temperature decreases by 3 degrees Celsius for each kilometer you go up from the surface. Let T represent the temperature and let H be the height above the surface. Write an equation relating T to H.
6)A certain medicine is given in an amount proportional to a patient’s body weight. Suppose a patient weighing 195 pounds requires 279 milligrams of medicine. What is the amount of medicine required by a patient weight 130 pounds?