Luis has a goal of running a total of 100 miles this month. each day, he plans to run five miles considering that he sticks to his plan. write an expression that can be used to determine how many miles he has left to run after running 5 days.

step-by-step explanation:

b and c

3

step-by-step explanation:

in standard form:

a= dictionaries

b= maps

you have to buy 3 dictionaries, so put a 3 next to the a (dictionaries) so that you can multiply them by each other.

a3+b= 60 (the amount of money you have)

we already know the cost of a=15 so replace a with $15

($15 x 3)+b=60

multiply 15 and 3 to get $45 and replace it with $45

45+b=60

and then replace b with 15 to get the total:

45+15=60

that means you have $15 left after buying 3 dictionaries.

15 divided by the cost of a map ($5) equals 3.

so you can buy 3 maps.

sorry if it was confusing!

21

step-by-step explanation:

hi! i think the answer is 1/2 : )