If she is running on that track she will have ran
4022.5
0.4a=80
----- -----
0.4 0.4
a=200
Where a is the number times 40%, which is 0.4 in decimal form.
3•y+2
3 and y are being multiplied and then you add the two!:)
Is the sum of 3/10 and 68/100 is =
0.98
7(x-1)=70/10
7x-7=7
7x=14
x = 2
The number is 2.