90x=1977
x=1977/90
x=
21.966666667
20 x 90 = 180020 times 90 equals 18 times 100 equals 1800.
3*30=90
2.5*36 = 90
It equals: 7,200
90 x 90 = 8,100
15 times 90 equals 1350.
81
24 x 3.75 = 90
725 multiplied by 90 equals 65,250.
It is: 500*90 = 45000
0.4 x 90 = 36
6 x 15 = 90