Ey i need an answer :/

49

Explanation: Because the unit rate is 7 because 7 * 3= 21, 5 * 7 = 35. so we would multiple 7 * 7 which is 49.

49

Explanation:

It costs 21 beads to make 3 bracelets.

First, find the amount of beads used for one bracelet. In this case, divide 21 with 3:

(21 beads)/(3 bracelets) = (7 beads)/(1 bracelet), or 7 beads per bracelet.

In this case, the given amount of bracelets is 7. As each bracelet needs 7 beads each, multiply the amount of bracelets with the amount per bracelet:

(7 bracelets) x (7 beads per bracelet) = 49 (beads in all)

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