Crew a can tunnel through a mountain in 30 days. if crew B starts from the other side at the same time, the tunnel can be completed in 18 days. how long would it take crew B working alone?

Interquartile range of 6 26 27 28 29 30 32 36 38 40

Between which two consecutive integers does the square root of 7 lie

A shirt cost $35 originally it is 15% off How much will you pay for the shirt?

Mr. Warren uses 2 1/4 bags of mulch for his garden and another 4 1/4 bags for his front yard. He also uses 3/4 bag around a fountain. How many total bags of mulch did Mr. Warren use?

Adult tickets to the fall play cost $8 and student tickets cost $4. The drama class sold 30 more adult tickets than student tickets to the fall play. If the class collected $840 from ticket sales, how many adult tickets were sold?

Algebra 2 Substitutions x-9y=25 6x-5y=3

Math word problem. Mike paid $59.00 for a bike. He paid with FOUR bills. What were the bills? Tell me the denomination of each bill and how many were used. Make sure to explain to me how you know this and how it totals $59.00

How do i solve this math problem? 4-2 (v-6) = - 8

1. A rectangle is 6 inches longer than its wide. Write and simply an expression for the perimeter of the rectangle. 2. simply : 5+2 (3x + 4) + x 3. shelly lives 500 miles away.

A plane's altitude had a change of - 2750 ft. in 5 minutes. What was the plane's average change in altitude, per minute, for that time period? A. - 13,500 ft B. - 550 ft C. 550 ft D. 13,750 ft