Pick 100 km for D...
<span>This would yield T=100 minutes </span>
<span>Using the question stem we calculate 80 km were traveled in 1h (or 60 minutes).... </span>
<span>This leaves us with 40 minutes (2/3 of an hour) to travel 20km..... </span>
<span>R*T=D </span>
<span>R*2/3=20 </span>
<span>R=30 </span>
<span>Answer A....</span>
Yes if you could help that would be so nice!!!!
Answer:
128 4/7
Step-by-step explanation:
100%-30%=70%
90=.7X
900=7X
128 4/7=X
Answer:
101
Step-by-step explanation:
31+20+25+25=101
