Answer:35%
Step-by-step explanation:
7/20 is .35. Thus what percent is 7 to 20? 35 percent
Answer:
3
Step-by-step explanation:
Answer:
sorry if i knew i would of told you bc i need help with that 2
Answer:
7a+28b=21
Step-by-step explanation:
7×a=7a
7×-3= -21
7×+4b=+28b
so....
7a-21+28b=0
7a+28b=21