heres clearer version, thank you! Using only middle school, secondary and college students, fill in the totals before answering the following questions. Of all the students, what percent are in college? Of all the students, what percent sleep 8-10 hours? Of students who sleep less than 3 hours, what percent are in secondary school? Of students in secondary school, what percent sleep less than 3 hours? Of all respondents, what percent are college students who sleep more than 12 hours? Of all respondents, what percent are middle schoolers who get 3 - 8 hours sleep? Of…

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step-by-step explanation:

-14 is the answer

hope this : ))

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!