The average yearly salary of a person whose final degree is a​ master's is ​$43 thousand less than twice that of a person whose final degree is a​ bachelor's. Combined, two people with each of these educational attainments earn ​$122 thousand. Find the average yearly salary of people with each of these final degrees.​

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!

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step-by-step explanation:

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3

step-by-step explanation:

because where the point where the 2 lines intersect is (3,-1) the x value is 3