1000a+27b with 2 on top of the number
Answer:
Use cross product to determine if the two ratios form a proportion. Here we can see that 2/16 and 5/40 are proportions since their cross products are equal. Percent means hundredths or per hundred and is written with the symbol, %. Percent is a ratio were we compare numbers to 100 which means that 1% is 1/100.
Step-by-step explanation:
Answer:
30 minutes
Step-by-step explanation:
First you can break down the percent and the time into a fraction
You can divide it by 2
so 2%/1 (2% in 1 minute)
Then you find the amount of time it would take to paint the whole bookcase
2 * 100 = 50
So time to paint the whole bookcase would be 50
50 - 20 = 30
Minusing 9 from the previous answer and then getting a new answer
Answer:
About .42
Step-by-step explanation:
