Rodrigo added 2 9
and 4
9
using these steps.

1. Check for common denominators.

2
9
and 4
9

2. Write the sum.

2
9
+ 4
9

3. Add the numerators.

2 + 4
9
= 6
9

Satchi found a used bookstore that sells pre-owned dvds and cds. dvds cost $9 each, and cds cost $7 each. satchi can spend no more than $45.

Ming says that 0.24 > 1/4 because 0.24= 2/4. which best explains mings error

Paula makes stained-glass windows and sells them to boutique stores. if her costs total $12,000 per year plus $4 per window for the frame. how many windows must she produce to earn a profit of at least $48,000 in one year if she sells the windows for $28 each? 1. define a variable for the situation. 2. write an inequality that represents her profit. note: revenue is money coming in. cost is money going out. profit is the difference between the revenue and the cost. in other words: revenue - costs profit 3.using words, describe how many windows she must sell to have a profit of at least $48,000.