Tessa and Sui Fong had the same amount of money in the beginning. Tessa gave $1140 to charity and Sui Fong gave $580 to the same charity. At the end, Sui Fong h
Matematika
StevenTantra
Pertanyaan
Tessa and Sui Fong had the same amount of money in the beginning.
Tessa gave $1140 to charity and Sui Fong gave $580 to the same charity.
At the end, Sui Fong had 9 times as much money as Tessa.
How much money did each person have in the beginning?
Tessa gave $1140 to charity and Sui Fong gave $580 to the same charity.
At the end, Sui Fong had 9 times as much money as Tessa.
How much money did each person have in the beginning?
1 Jawaban
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1. Jawaban happyface
beginning : T=S
T2=T-1140=S-1140
S2=S-580
end : S2=9T2
S-580=9(S-1140)
10260-580=9S-S
9680=8S
S=T=1210