Answer:
21,800
Step-by-step explanation:
Total costs is $16,700 x 4 years = 66,800
He saved 21,000 + receives 24,000 (6,000x4) grants for a total of 45,000 saved.
costs of 66,800 - receipts of 45,000 = 21,800 needed.
9x -18+18=43+18
added 18 to both sides
hope this helps good luck :)
$10
The exact number is $11.65 which is closet to $10
A for the first one.
Second one, I'm not sure, but I'd guess it'd be A