ANSWER

EXPLANATION
We were told that the motorist travelled 250 miles on 11 gallons of gas. This implies that,

Now we want to find how far he could go on 16 gallons.

All other things being equal, the motorist should cover more than 250 miles with 16 gallons of gas.
Recall that: If more, less divides.
This implies that,


Therefore the correct answer is C.
I don’t really know what the answer is
Answer:
the system of equation has infinite solution
Step-by-step explanation:
, 
Solve the first equation for x_2
Subtract 5x1 on both sides


Now substitute -5x1 on second equation



0=0
So the system of equation has infinite solution
Answer:
98
Step-by-step explanation:
I take it each student is going to make a block.
She has 25 + 28 students all together which is 53 students total
Each one requires 512 magnetic blocks
Therefore she needs 53 * 512 = 27136 blocks.