Solved

Solve the Problem 30mph30 \mathrm{mph} , What Is the Speed of the Plane in Still

Question 22

Multiple Choice

Solve the problem.
-A plane flies 420 miles with the wind and 320 miles against the wind in the same length of time. If the speed of the wind is 30mph30 \mathrm{mph} , what is the speed of the plane in still air?


A) 247mph247 \mathrm{mph}
B) 222mph222 \mathrm{mph}
C) 212mph212 \mathrm{mph}
D) 227mph227 \mathrm{mph}

Correct Answer:

verifed

Verified

Unlock this answer now
Get Access to more Verified Answers free of charge

Related Questions

Q17: Solve by elimination.<br>- <span class="ql-formula" data-value="4

Q18: Solve by elimination.<br>- <span class="ql-formula" data-value="8

Q19: Solve the problem.<br>-A salesman sold

Q20: Decide whether or not the ordered

Q21: Solve the problem.<br>-The perimeter of a

Q23: Solve the problem.<br>-The perimeter of a

Q24: Solve the problem.<br>-Ellen wishes to mix

Q25: Solve the problem.<br>-Best Rentals charges a

Q26: Solve by the substitution method.<br>- <span

Q27: Solve the problem.<br>-Candy and Delvis are