Let the ratio be termed as 4x and 2x.
Now,
4x + 2x= 90
or,6x=90
or,x=90/6
or,x=15
So the measure of angles are,4x= 4×15
= .........
and,2x=2×15 =.....
A <em>term</em> in a math expression is <u>single </u>number or variable and are <u><em>separated </em></u>by a + or - or × or ÷
This expression has 4 terms
2r
1c
.5d
and 8
Well, we could make the number of lawns he mowed as 'L'
In this case, the total money that Gavin makes is 8.5L