Answer:
Mia can spend no more than $55 at the mall. She buys a jacket for $23. Necklaces are on sale for $8. Find the amount of necklaces Mia can buy. Write and solve an inequality.
First, make the equation. She can't waste no more than(≥ or =) $55. And she already used $23.
55= 23+8(n)
n= number of necklaces she can buy.
Now, subtract 23 to both sides.
55= 23+8(n)
-23 -23
32= 8(n)
Then, divide by 8 to both sides to find how many necklaces she can buy.
<u>32</u>= <u>8(n)</u>
8 8
4=n So, she can buy 4 necklaces.
A bag of marbles contains 3 red, 5 blue and 2 yellow marbles. What is the probability of choosing a blue marble and then choosing a red marble without replacement. Simplify the fraction.
First, add up the whole amount of marbles.
3+5+2= 10
This is very simple, to find the probability, just put...
<u>number of blue marbles</u>
total number of marbles
This gives you, 5/10 and simplified into 1/2.
For the red marble, do the same thing.
<u>number of red marbles</u>
total number of marbles
This gives you, 3/10 and it can't be simplified.
A football team loses 5 2/3 yards on the first play. On the next play, they gain 2 3/4 yards. What is the overall increases or decreases in yards?
For this word problem, add 2 3/4 yards to 5 2/3 yards to find the overall decrease or increase in yards.
Solve the whole number parts..
5-2= 3
Solving the fractions part...
<u> 2 </u> - <u> 3 </u>= <u> 8 </u> - <u> 9 </u>= <u>- 1 </u>
3 4 12 12 12
3- 1/12= 2 11/12
So, it was a 2 11/12 decrease.
