0.3 is 3/10, (which is already simplified) because .3 is out of 1. Which means that that 1 is 10. Which is 3/10.
Sorry but I can’t see the picture
Always remember that percent means "out of 100". That means the 40%=40/100=.4
so 40% of 120 is equivalent to .4(120)=48
Hope I helped
2x² + 3x + 1
2x² + 2x + x + 1
(2x + 1)(x + 1)
