Which improper fraction is equivalent to 4 3/4?

a: 15/4

b: 17/4

c: 19/4

d: 23/4

C: 19/4

Step-by-step explanation:

To find the improper fraction, take the denominator and multiply it by the whole number and then add the numerator.  Put the whole thing over the denominator.

4 3/4

take the denominator and multiply it by the whole number

4*4 = 16

add the numerator

16+3 = 19

Put the whole thing over the denominator.

19/4

7 weeks

step-by-step explanation:

convert each fraction to the least common multiple of 20, so 3/4 = 15/20 & 1/10 = 2/20, then divide 15 by 2 and you get a little over 7, so the food will last 7 weeks.