701 = 21 + 68w
701-21= 680
680/68=10
w=10
Answer:
15
Step-by-step explanation:
3(2+3)=
3(2) + 3(3)=
6 + 9=
6 + 9 = 15
The sign is negative because a negative times a positive is a negative. Anytime the signs are different the answer is always negative.
Answer:
Step-by-step explanation:
3 x k = 3k
This is simply testing if proportions are valid.
Guess-and-check, so the answer would be 40:48, since 5 x 8 = 40 and 6 x 8 = 48, where 8 is the set "constant" number