Answer:
21 is the answers to your question
Answer:
28 blue marbles
Step-by-step explanation:
since the ratio s 7/4, we have to make 49/x=7/4. 7 times 7 is 49, so 4 times 7 must be x. 4 times 7 is 28, so there are 28.
1. distributive property
2. commutative property (the order of 8x and -24 is swapped)
3. reflexive property ((8-24) = -16; -16 is substituted for 8-24. I prefer "substitution property".)
4. commutative property (the order of 8x and -16 is swapped)
5. distributive property