Answer:
1:4
Step-by-step explanation:
84-63=21
there are 21 milk chocolates in the box
ratio of milk chocolates to total number of chocolates=21:84
simplify that=1:4
Becky =B
Min =M
B =2M and B + M = 42.
(2M) + M= 3M = 42 and so M=42/3=14.
B = 2M so it's 14*2=28
Becky scored 28 points.
Answer:
10^2
Step-by-step explanation:
10^9/10^7 is the same as 10^9*10^-7 if you multiply two same bases you can add there exponents. So, 9+(-7)=2. So, it’s 10^2