25-02-2022
Mathematics

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HELPPPP
PLEASE EXPLAIN
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zsm2800 zsm2800

27-02-2022

Answer:

77.5

Step-by-step explanation:

(22 - 9)/2 = 13/2 = 6.5

9 * 5 + 2 * (6.5 * 5)/2 = 45 + 6.5 * 5 = 77.5

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