I got x is less than or equal to -3/2
Depends. All multiples of 400, you could have many different options. For example, 400 buses 1 kid on ea. 40 buses 10 kids on ea.
400x1=400
40x10=400
Just if the two numbers multiple to 400 it can be an answer
A=[p/4 ] the parenthesis is a ratio.
43.96 is what i got! im sorry if i got it wrong
A. 3 tbsp per 2 tsp
b. 135 pitches per 45 strikes
c. 128 miles per 4 hours