If the first 10 bricks come out at $ 4.5, I would be spending $ 45. The other 10 bricks come out at $ 3.5 so he would be spending $ 35. Therefore, he has $ 20 available to buy bricks at $ 2.5, which would be buying 8 additional bricks. Thus, in total, with $ 100, 28 bricks were purchased.
Uh do you mean he earned $225 per week?
If yes, then he earned 45 per day.
Answer:
12.75
Step-by-step explanation:
12.75 rounded to the nearest tenth is 12.8, and 12.74 won't work because it will round to 12.7.
Therefore, 12.75 is the smallest possible number.
Answer:
Answer is 14.
Step-by-step explanation:
f(-2)=3*(-2)^2 - (-2)
=3*4+2
=12+2
=14
