Cody bought a hamburger for $3 and
a milkshake for $2. he paid for his
meal with a twenty dollar bill. which
expression shows how much change he
should receive?
20+(3+2)
20 - (3-2)
(20 - 3) + 2
20 - (3 + 2)

Add $3(hamburger and $2(milkshake) You'll get $5.

The last expression has 3+2 in parenthesis(). It's 5 as well.

Then subtract $5 from 20.

It's not the first expression because you're adding 20 and 5.You had to subtract.(20-5)

20 - (3+2)

why do wages differ across industries

step-by-step explanation :

micro economists are concerned with economics on an industry or individual firm basis.

macro economists are concerned with national and international level

the monthly balance will be $75,000