Complete question :
Maxine wants a necklace 42 beads long the ratio of blue to black beads is 2:5 how many blue and bkack beads does she need to complete the necklace?'
Answer:
12 blue beads
30 black beads
Step-by-step explanation:
Given that :
Total number of beads = 42
Sharing ratio = 2:5
Sum of ratios = 2 + 5 = 7
Number of Blue beads :
(2/7) * 42 = 84 / 7 = 12
Number of back beads :
(5/ 7) * 42 = 210 / 7 = 30
