Iwill give you brainliest if you get it right! and 10 points!

starting at the same point, tom and juanita go biking in opposite directions. if tom rides at a speed of 30 mph, and juanita rides at a speed of 21 mph, how far apart will they be in 3 hours?

pick one of the following answers:

a. 163 miles

b. 51 miles

c. 93 miles

d. 153 miles

153 miles.

Step-by-step explanation:

Their combined speed is 30 + 21 = 51 mph.

Distance travelled in 3 hours = times * speed

= 3 * 51

=  153 miles.

y=mx+b

step-by-step explanation:

m slope

b y-intercept

on monday rodney ate 1/4th of the sandwich = 3/12

on tuesday he ate 1/3rd of the sandwich = 4/12

therefore in total he has eaten = 3/12 + 4/12 = 7/12

thus we can say that he has eaten 7/12 of the sandwich on monday and tuesday alltogether.

happy to

pls mark as brainliest.