It will take Jon 240 minutes or 4 hours.
D. -15
All I did was plug the numbers in
5(9 + 7) = 5 x 9 + 5 x 7 = 45 + 35
Answer:k/22 =-66
k=-1,452
Step-by-step explanation:
Multiplying fractions is just multiplying the numerators together and the denominators together.


To find out which one is bigger, we need a common denominator. The LCM of 7 and 21 is 21, so convert the first fraction into a denominator of 21. 7 goes into 21 three times, multiply this to the numerator and denominator:

Now just compare the numerators to see which one is bigger.

therefore,