Answer:
64/100 or 0.64 :)
Step-by-step explanation:
40 = 0.5r
40/0.5 = r
80 = r
just divide the number in front of the r so that you can figure it out
Answer:127
all you do is subtract -70 by 57 and it will give you a negative but get rid of it and you get 127 or just take the - away from -70 and add 57
Yes, they are equivalent
6+7-5=8. -5+10+3=8
Hope this helps you :))))))