Answer:
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Step-by-step explanation:
3.14 * 26.5/2
3.14 * 13.25^2 = 551.26625
A = 551.27
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The pictures is not readable for me sorry
Alex's money = x
Hayley's money = 3x (she has three times as much money as him)
20 = x + 3x
20 = 4x
/4 /4
5 = x
So Alex's money = 5. Hayley's money is 3 times his, so Hayley's money is 15.