Answer:
1:2
Step-by-step 1:2explanation:
it doesnt say anything about colors. so how many dots? how many stripes? 2 and 4. Ratio: 2:4. Ratios can be fractions: 2/4. What does 2/4 simplify to? 1/2 That means for every 1 dot rectangle there are 2 stripe rectangle. Ratio : 1:2 or 1 to 2 or 1/2
12-9=3
3+12+4,5=19,5
19 hours and 30 min
Answer:
21
Step-by-step explanation:
5×3=15
7×3=21
First, let's divide 810 by 3.
810/3= 270
Then we divide 270 by the number of shelves 5.
270/5= 54
The answer is 54.
Use the Pythagorean theorem:
2)

4)
