A boundary stripe 2 in. wide is painted around a rectangle whose dimensions are 100 ft by 240 ft. Use differentials to approximate the number of square feet of paint in the stripe.
a. 113 ft ²
b. 113.81 ft ²
c. 113.22 ft ²
d. 113.89 ft ²
e. 113.33 ft ²
c. 113.22 ft ²
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Multiply.0.02 × 0.09
A. 0.0018 B. 0.18 C. 0.000018 D. 0.018
Use a proportion to solve the problem.It takes 70 oz of grass seed to seed 3290 ft2 of lawn. At this rate, about how much would be needed for 
of lawn? Round to the nearest whole number.
A. 126 oz B. 128 oz C. 124 oz D. 282,000 oz
Find the median of the list of data.7.7 hr, 6.7 hr, 2.9 hr, 6.9 hr
A. 2.9 hr B. 6.9 hr C. 6.7 hr D. 6.8 hr
Solve the problem. Round to the nearest cent.The March 1 unpaid balance in an account was $231. On March 10, a payment of $60 was made. The interest rate per month was 1.7% per month of the average daily balance. Find the new balance at the end of March.
A. $172.70 B. $174.11 C. $203.03 D. $174.20