Answer: We need how much he spent on the whole thing
Step-by-step explanation:
It isn't really specific because he could of bought 6 pencils and 9 markers for all we know so we need the total how much he spent on all 15 markers and pencils
Round trip is going there and back so it is 2*(6 7/10)=12 14/10=13 4/10=14 2/5
Equation: 7(3x-2)=133
Distribute: 21x-14=133
Add like terms: 21x=147
Divide by 21: x=7
Answer:
c
Step-by-step explanation:
Hope this helps.