# Math - please double check me

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There are 42 accounting classes with 31 students in each class. Estimate the total number of students in the accounting classes.
a. 1200
b. 900
c. 1600
d. 1500
One kilometer is equal to 1000 meters. What fractional part of a kilometer is 500 meters? Simply your result.
a. 2/3
b. 2/4
c. 500/1000
d. 1/2
Maria earns \$17 per hour. last week, she worked 10 hours/day for 5 days. What was her gross pay?
a. 850
b. 800
c. 935
d. 1020
What is the perimeter of a rectangle if the length is 5/9 cm and the width is 2/9 cm?
a. 5/9 cm
b. 1 5/9cm
c. 7/9
d. 1 7/9cm

• Math - please double check me - ,

The first and last are wrong.

• Math - please double check me - ,

Only your second answer is correct. For the first one, you're asked to estimate. Hint: 4 * 3 = 12

• Math - please double check me - ,

there are 42 accounting classes with 31 students in each class. Estimate the total number of students in the accounting classes.

Maria earns \$17 per hour.last week, she worked 10 hours/day for 5 days. What was her gross pay

• Math - please double check me - ,