Lawrence101
07.07.2019 •
Mathematics
Tony ran laps around a track to raise money for a hospital. tony raised $15 plus $1.50 per lap that he ran. he raised a total of $255.00. let x represent the number of laps tony ran. what expression completes the equation to determine the total number of laps tony ran? how many laps did tony run? = 255 laps
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Ответ:
I believe the answer for this question would $be:
$15+$1.50 = $16.50
$25 / $16.50 = 15.45
I believe that he ran 15 - 15.5 laps.
Ответ:
a = 4, d = 5 - 4 = 1, n = 150
Sn = n/2[2a + (n - 1)d]
S(150) = 150/2[2(4) + (150 - 1)1] = 75[8 + 149] = 75(157) = 11,775