Let
x-----> the number of hours that Candice spent doing her homework
y-----> the number of hours that Ronald spent doing his homework
we know that

convert mixed number to an improper fraction

so
-------> equation A
------> equation B
Substitute equation A in equation B

convert an improper fraction to a mixed number

therefore
<u>the answer is the option B</u>

Answer:
76
Step-by-step explanation:
okay so 13=13 d = t
13×d = t
13×6 = 76
Move -4 to the other side
7x=24+4
7x=28
x=4