So this is four days late and I don't understand any of it. PLZ HELP ASAP!
Over the summer gas prices dropped 2%.Which expression shows the new price of a gallon of gas? (the old price is represented by g)
A. g - 0.02
B. g - 1.02
C. g - 0.02g
D. g × 0.02
A sandwich shop was charging $3.03 for a sandwich, but raised the price 6% making them cost $3.21. Which expression shows how the new price was calculated?
A. 3.03 × 0.06
B. 3.03 × 1.06
C. 3.03 + 0.06
D. 3.03 + 1.06
This years model of a cell phone is 10 percent heavier than last years. This years model weight is represent by w. Which expression can be used to calculate the weight of last years model?
A. w ÷ 1.1
B. w × 0.1
C. w - 1.1
D. w - 0.1
A company was having a sale for 17% off the price of computer monitors. Which expression shows how much money you would save if you bought 40 monitors for z dollars a piece?
A. 40z + 0.17
B. 40z - 0.17
C. 40z + 1.17
D. 0.17 × 40z
Joe was earning $10 an hour before his raise. After his 5% raise he was making$10.5 an hour. Which expression show show his new hourly rate was calculated?
A. 10 × 1.05
B. 10 + 0.05
C. 10 × 0.05
D. 10 + 1.05
The regular price of a computer was 524 dollars, but over the weekend it'll be on sale for for 20 percent off. Which expression shows the difference in price from normal(n) to sale?
A. n - 0.2
B. n × 0.2
C. n - 20
D. n - 1.2
While clearing out some old inventory a store offered 40 percent off of any item(i).Which expression can be used to calculate the new cost of an item?
A. i × 0.4
B. i - 0.4
C. i - 1.4
D. i - 0.4i
A house was on sell for $46,896. If you wanted to offer 14% less than the asking price(p) which expression shows how much you should offer?
A. p - 1.14
B. p × 0.14
C. p - 0.14p
D. p - 0.14
An ice cream bar was 545 calories. If they increased the size of the bar by 8% which expression can be used to find the new calorie count?
A. 545 + 1.08
B. 545 + 0.08
C. 545 × 1.08
D. 545 × 0.08