is 0.049 a perfect square
155 in the ratio 2:3
X x 3y=
155 : 2
part ratio = 2 : 3
divide 155 in 4 parts so the ratio for two parts is 3 and for the other two is 2
3x+5y+3x+y
8 tan 34 rounded to 1dp
work out 8 tan 34 rounded to 1dp
78/0.0347
5x-2-(3x-1)
