Answer:
Any more details?
Step-by-step explanation:
1/4 × s = 15
s = 15 : 1/4
s = 15 × 4
s = 60
5 units
To solve this we can use pythagoras theory:
Hope this helps!
x=22
4x+2+x+3x+2=180
collect like terms
4x+x+3x=180-(2+2)
8x=180-4
8x=176
make x the subject of the formula
x=176/8
12
let the number be a
30-3a= -6
collect the like terms
30+6=3a
3a=36
a=12
The number is 12
275
