9514 1404 393
Answer:
$125 per year
Step-by-step explanation:
In the 2 years from 2015 to 2017, the spending on lunches increased by ...
$800 -550 = $250
That is an average per year of ...
$250/(2 yr) = $125/yr . . . . average dollar increase per year
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<em>Additional comment</em>
For costs, it is often true that they follow an exponential curve, not a linear one. Ed's spending increased by a factor of 800/550 = 16/11 in the two years, so an average percentage increase of √(16/11) -1 = 20.6% per year.
Answers D. and E. are correct.
I think that B might also be correct, I hope This helps.
For number 6 it's 30 x 45
Answer:
2370 cm²
Step-by-step explanation:
2(32·15+15·15+15·32) = 2370
