. Q4.
Red and blue cubes
In a bag, there are red and blue cubes in the ratio 4:7

red: blue
4:7

I add 10 more red cubes to the bag.

Now there are red and blue cubes in the ratio 6:7

red: blue
6:7

How many blue cubes are in the bag?

Tatiana reads 40 pages of her book every night for x number of nights. write an expression that shows the number of pages she has read

How do i take any fraction and make it into a decimal or percentage?

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.