Una has a collection of 28 insects. 1/4 are butterflies, 2/7 are moths, and the rest are beetles.

how many insects are beetles?

13 beetles

Step-by-step explanation:

Total insects - 28

Butterflies - 7

Moths - 8

4 =

8 =

Beetles - 13

7 + 8 + x = 28

15 + x = 28

15 - 15 + x = 28 - 15

x = 13

7. d. 64

8. i. 32

9. c. 125

10. j. none of the above

11. d. 81

12. i. 216

13. e. none of the above

14. g. 240

15. e. none of the above

16. g. 32

17.   e. none of the above

1. 8

2. 9

3. 20

4. 3

5. 17

6. 2.2

7. 11.25

8. 1

9. 14

10. 2

step-by-step explanation:

thats the first half