# Maths

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Mr T's salary is \$800 less than 3 times of his wife's salary. His wife's salary is 4/10 as much as his. how much is their total monthly salary?(non-algebra method pls)

• Maths -

3W-800=T
W=4/10 T

can you take if from here/

• Maths -

I'm sorry, I can't get it, pls help clarify. thanks

• Maths -

Wife's salary = W
Mr T;s salary = 3W - 800

then it said: "His wife's salary is 4/10 as much as his" ----> W = (4/10)T , again as bobpursley told you
but T = 3W-800
so
W = (4/10)(3W-800)
times 10
10W = 4(3W-800)
10W = 12W - 3200
3200 = 2W
W = 1600
then T = 3(1600) -800 = 4000

check: is 1600 equal to 4/10 of 4000 ?

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