Answer:
5/15
Step-by-step explanation:
Cause he attempted tp make fifteen but only made 10 so the remaining woulfd be 5 out of 15
15 i think
Multiply each side by 6x.
4x+x = 30
Square both sides.
16x^2+3x^2=900 = 19x^2
x^2= about
x=6.9