pcartei
08.03.2021 •
Mathematics
If a_1=5a
1
=5 and a_n=-2a_{n-1}a
n
=−2a
n−1
then find the value of a_4a
4
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Ответ:
1.) 15%
2.) $156.86
3.) $40.43
Step-by-step explanation:
1.) 31.29 / 208.6 = .15 * 100 (for percent) = 15%
2.) 136.4 * 1.15 (the original bill plus 15%) = 156.86
3.) 57.75 * .7 = 40.425