2 Eight children from the Schickel family are combining their savings to purchase a gaming system to connect
to and play on their television. The gaming system is on sale at their favorite discount electronics store for
10 percent off of its regular price of $500. If the cost of the discounted gaming system, excluding tax, is
split equally among the eight children, how much money is each child to contribute?
A $10.00*
B $56.25
C $62.50
D $450.00
3 Ali drinks three 12-ounce sodas every day and has done so for the past 2 years. His dentist warns him that
acid and sugar from drinking that many sodas are damaging his teeth. Ali needs to reduce his intake to two
12-ounce sodas per week. By what percent does Ali need to reduce his soda intake for the week?
A 90%
B 67%
C 45%*
D 80%
2. b
2 b. is correct
To find the answer to the first question, we need to calculate the cost per child.
The regular price of the gaming system is $500, and it is currently on sale for 10% off.
To calculate the amount of discount, we multiply the regular price by the discount percentage:
Discount = $500 * 10% = $50
The discounted price of the gaming system is the regular price minus the discount:
Discounted price = $500 - $50 = $450
Since the cost of the discounted gaming system needs to be split equally among the eight children, we divide the discounted price by the number of children:
Cost per child = $450 / 8 = $56.25
Therefore, each child is required to contribute $56.25.
To find the answer to the second question, we need to calculate the percentage reduction in Ali's weekly soda intake.
Ali currently drinks three 12-ounce sodas every day, which means he drinks a total of 3 x 7 = 21 sodas per week.
To reduce his intake to two 12-ounce sodas per week, he needs to decrease his soda consumption by 21 - 2 = 19 sodas.
To find the percentage reduction, we divide the amount of reduction by the original amount and multiply by 100:
Percentage reduction = (19 / 21) * 100 = 90.47%
Rounded to the nearest whole number, the percentage reduction is approximately 90%.
Therefore, Ali needs to reduce his soda intake by approximately 90% for the week.