Mathematics: Luna & Ginny each cast magic spells. The ratio of spells Luna casts to spells Ginny casts is 4:5. How many spells did each cast if altogether they cast 63 spells

Luna & Ginny each cast magic spells. The ratio - id11901688, historyfanboy101

tinamarie04ts

12.03.2021

ok so how you do this one is your going to divide the 63 spells by the ratios added and then multiply by 4 and 5

$63 \div 9 = 7$

$7 \times 4 = 28$

$7 \times 5 = 35$

luna casts 28 spells

ginny casts 35 spell

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jozlynn

27.07.2022

(f o f^-1) x = x
therefore (f o f^-1) 4 = 4

Its A

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