Mario's mistake is made when doing reciprocal.
7 / (2/3) =
I cannot divide by 2/3, but if I do reciprocal, I can multiply by 3/2. The seven comes first, so it should not be flipped.
Mario's mistake was when he flipped the 7 (or 7/1) to 1/7.
Answer: There are 310 pots that have three different colored balloons attached.
Step-by-step explanation:
Since we have given that
Number of crab pots in the bay = 600
Part of red balloon = 
Part of blue balloon = 
Part of yellow balloon = 
So, Number of pots that have different colored balloons attached is given by

Hence, there are 310 pots that have three different colored balloons attached.
If the signs are alike, and ur adding/subtracting......u add them and keep the same sign
That arrow helps a lot.
One
Scale factor = 21/14 = (3*7)/(2*7) = 3/2 the sevens cancel out.
Two
Scale factor = 24/18 = (6 *4) / (6 * 3) The 6s cancel out
Scale factor = 4/3
Answer:
cos A= 36/45
= 0.8
Step-bcoy-step explanation: