To take advantage of last weekend, mr. elias and his wife went to a rural tourism house in
serra da estrela. there was a large watering tank with 5 equal taps that
water. after some observations and experiences, mr. elias found that:
 with the 5 taps fully open and the watering outlet also open, the tank takes 2 hours to
to fill;
 with 3 taps fully open and the outlet also functioning, it took 3 hours and 45
minutes for the tank to fill.
is it just that with a faucet running and the outlet also running the tank comes to fill? if yes, in
how long?

so firstly, we need to isolate the y variables to be able to solve these inequalities. firstly, add 0.5x on both sides of the first inequality and subtract 1.5x on both sides of the second inequality:

now since the slope is positive for the first inequality, this means that the line going upwards belongs to the first inequality, and the line going downwards belongs to the second inequality.

next, since y ≥ in the first inequality, this means that the shaded region will be above the first inequality's line, thus shading regions a and b.

next, since y ≤ in the second inequality, this means that the shaded region is going to be below this line, thus shading regions a and c.

since both lines shade region a, this means that region a is the solution.

step-by-step explanation:

mark brainliest!