math
posted by tariq .
Brittany is rowing at a constant rate. She covers 20 miles in 7 hours. How many more hours will it take her to cover her 110 mile tour?

20/7 = 110/x
20x = 770
x = 38.5 hours
38.5  7 = 31.5 more hours
Respond to this Question
Similar Questions

math
i don't get 2 use the rate 380 miles in 5 hours 2 find the unknown number for each equivelent rate round to the nearset tenth I don't get your question. What "equivalent rates" are you talking about? 
math
A boat's crew rowed 12 miles downstream, with the current, in 1.5 hours. The return trip upstream, against the current covered the same distance, but took 4 hours. Find the crew's rowing rate in still water and the rate of the current... … 
College Mathematics
You drove 2695 miles in 35 hours. (1) What is your average rate of change? 
math
You drove 2695 miles in 35 hours. (1) What is your average rate of change? 
MATH
We do not provide the units for your answers. Do no type them in the answer box. Enter the numerical value or calculations only. You drove 2695 miles in 35 hours. (1) What is your average rate of change? 
Math
Julie and Eric row their boat (at a constant speed) 21 miles downstream for 3 hours, helped by the current. Rowing at the same rate, the trip back against the current takes 7 hours. Find the rate of the current. 
Algebra 1
Emily rows six miles downstream in 1 hour and her friend Ashley,rowing 1 mile per hour faster,completes the return trip in 2 hours. 1.Find the speed of the current(c) and each girls rowing speed. 2.If Emily and Ashley were rowing separately,who … 
Math
Suppose you are driving to visit a friend who lives far away. You are driving at an average rate of 55 miles per hour. You must drive a total of 295 miles. If you have already driven 20 miles, how long will it take you to reach your … 
math
write a unit rate for the situation. round to the nearest hundredth if necessary traveling 216 miles in 5 hours A( 54 miles/hours B( 39.27 miles/hours C( 43.2 miles/hours D( 0.4 miles/hours 
Math
Greg rode his bicycle at a constant speed of 20 miles per hour. Plot points on the graph to represents the distances Greg rode after 1, 2, 3, and 4 hours (1 hour= 20 miles, 2 hours= 40 miles, 3 hours= 60 miles, 4 hours= 80 hours) Then …