Question

Question 1(Multiple Choice Worth 5 points)

Mindy conducted a survey of the phones in four stores and wrote the following observations:

5 of the 8 phones in Store 1 were smartphones
13 of the 22 phones in Store 2 were smartphones
22 of the 30 phones in Store 3 were smartphones
12 of the 25 phones in Store 4 were smartphones

Based on the survey, which store had the greatest percentage of smart phones?

Store 1
Store 2
Store 3
Store 4
Question 2(Multiple Choice Worth 5 points)
The number of pages that Zev, Kelly, Marneisha, and Aleisha can read in a day is shown below.

Zev read 15% of his 56-page book.
Kelly read 12% of her 64-page book.
Marneisha read 14% of his 68-page book
Aleisha read 10% of her 72-page book.

Who can read the greatest number of pages in a day?

Zev
Kelly
Aleisha
Marneisha
Question 3(Multiple Choice Worth 5 points)
The table shows the battery life of four different mobile phones.


Mobile Phone Battery Life
Phone Battery Life
(hours)
A 20
B 25
C 10
D 18


If 7.75% of the battery life of each mobile phone is used in a day by a typical user, for which mobile phone is 0.775 hour of battery life used in a day?
Phone A
Phone B
Phone C
Phone D
Question 4(Multiple Choice Worth 5 points)
Paula purchased adult and child tickets for the carnival. Tickets cost $19.95 for each adult and $9.95 for each child. Let x represent the number of adult tickets purchased and y represent the number of child tickets purchased. Write an expression to represent the total cost of the tickets Paula purchased.

$19.95x + $9.95y
$19.95y + $9.95x
($19.95 + $9.95)(x + y)
($19.95 - $9.95)(x + y)

Answer 1

Store 1 has the greatest percent of smart phones

Answer 2

Question 1: Store 3 had the greatest percentage of smartphones. Question 2: Marneisha reads more pages a day. Question 3: Phone C is 0.775 hours of battery life used in a day.

Explanation:

1.) 22 is 73.3333... percent of 30.

2.) 14% of 68 is 9.52 pages a day.

3.) 7.75% of 10 is 0.775.