Apply and extend previous understandings of multiplication
to multiply a fraction by a whole number. Solve word problems involving
multiplication of a fraction by a whole number, e.g., by using visual fraction models.
Answer:
A
Step-by-step explanation:
We know that 8+3x= x
solve for x
8= -2x
-4 =x
The only answer that has -4 is A
Today is actually the 210th day. They will meet again in 209 days (the 210th is the day they deliver together so I don't count it, but you can totally count it if you want to)
Check the picture below.
you can pretty much count those lengths off the grid.
recall that A = 1/2 bh.
