23 is less than 25 which means it's closer to 20, so you would round it down to 20. 1.75 is over 0.50, 1/2, so you would round it up to 2. If you multiply 2 and 20 you would get 40.

Number two gets the same explanation just with different numbers.

3 0

3 years ago

2.4n + 1.2n - 0.12 = 7.08

Basile [38]

Answer:

n=2

Step-by-step explanation:

7 0

3 years ago

Read 2 more answers

Ms. Velez will use both x gray bricks and y red bricks to build a wall around her garden. Gray bricks cost $0.45 each and red br

Alekssandra [29.7K]

It is given in the question that

Ms. Velez will use both x gray bricks and y red bricks to build a wall around her garden. Gray bricks cost $0.45 each and red bricks cost $0.58 each. She can spend up to $200 on her project, and wants the number of red bricks to be less than half the number of gray bricks.

Maximum she can spend is $200. That is

$0.45x + 0.58y \leq 200
\\ y< \frac{1}{2} x$

And

$x\geq 0 , y \geq 0$

And that's the required inequalities .

7 0

3 years ago