1) Speed = 12mph =12 mi/1 h =12 mi/ 60 min = 1/5 mi/ min
1 h= 60 min
t =20 min
Distance=speed*time =1/5 *20 (mi/min *min)= 4 mi
2) If he would bike for 15 min
Distance=speed*time
speed = distance/time = 4mi/15 min =4 mi :(1/4 h)=4*4= 16 mi/h
15 min =1/4 h
Answer:
Step-by-step explanation:
Divide 8 1/4 by 6 7/8 and the answer will be 1.2 times heavier.
8 1/4 is 8.25 and 6 7/8 is 6.875 in decimal point and again:
8.25 divided by 6.875 is 1.2.
Step-by-step explanation:
something is missing. maybe mean, median
720 divided by 8 and then look up the answer to that as a fraction on Google