Peter bought 8 lemons for 6$ Each lemon was the same price.

Each lemon costs $0.75 cents (seventy five cents)

Step-by-step explanation:

0.50 x 8 is the same as "half" of 8. This is $4. That is too low so.. 0.75 cents

Each lemon cost approximately $1.34

Step-by-step explanation:

8 / 6= approx. 1.3333333 etc.

1.33333 * 6 = 8

Each lemon cost approximately $1.34

marco saved more.   he saved $35 more.

step-by-step explanation:

1+2+3+4+5+6+7+8+9+10 = 55

2*10 = 20

55-20 = 35