0.3*42 this gives you a 30% discount
3/10*42 this gives you a 30% discount
0.03*42 this gives you a 3% discount
3 *4.2 This is not a discount
Answer:
4.950 m
Step-by-step explanation:
3.5^2+3.5^2=hypotenuse^2
Answer: 
Step-by-step explanation:
476.00×5%=23.80 tax=476+23.80=499.80
499.80×15%=74.97
499.80+74.97=574.77