Jenny is incorrect in her calculation.
For every time that Jenny's brother washed dishes, Jenny washed dishes 4 times. This tells that the the times they washed dishes occur in the ratio 4 :1. If Jenny's brother washed dishes 8 times, Jenny has to have washed dishes 
times. The way Jenny's is doing the calculation implies that his brother washed dishes 
times. He calculation yields a wrong result.
Answer:
an expression of more than two algebraic terms, especially the sum of several terms that contain different powers of the same variable(s).
She can buy 38 apples.
10/0.26 = 38.5 but you can’t buy half an apple so you round down to 38.
Hope this helped!
Answer:
112 if you don't include the triangle sides as they are not necessary, but 124 if you include one triangle and 136 if you include both triangle sides
