Blue cassests hold 45 min. Of music
1 answer:
You might be interested in
Let m and j be the current ages of Matthew and Jenny, respectively.
Now, Matthew is 3 times as old as Jenny, so the variables are in the following relation:
In 7 years, both of them will be 7 years older, i.e. their ages will be m+7 and j+7, and Matthew will be twice as old:
Now, remembering that m=3j, we can rewrite the second equation as
So, Jenny is 7 and Matthew is 21 (he's 3 times older).
In fact, in 7 years, they will be 14 and 28, and Matthew will be twice as old.
The green arrow thing is a ray. So, question b. is a ray. So the dot would be B and the arrow would be C.
Answer:
I am sure that C is 88 degrees
