Answer:
23
Step-by-step explanation:
-29
-5(6) + 1
-30 + 1
-29
hope this helps !
Answer:
$320
Step-by-step explanation:
400*0.8(decimal form of 80%) = 320
50 students participated in the survey, if you need help with 2, 3, & 4, just comment and ask
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.
