1.Jane bought x tarts,she ate 1/4 of them,then her brother and sister ate 7 tarts.If 2 tarts were left,find the value of x.
2.The amount of money Joyce had was 3 times of Michael's.Joyce spent $30 first and then bought 6 pens which cost $3 each,she had $12 left.Find the amount of money Michael had.
F.1數學
2006-11-10 4:43 am
回答 (3)
2006-11-10 4:58 am
1.(7+2)×4=x
9×4=x
x=9×4
=36
2.(30+3x6+12)÷2
=20
9×4=x
x=9×4
=36
2.(30+3x6+12)÷2
=20
2006-11-10 4:47 am
28*4=56
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