Question

1.
Uma used 45 blue beads and 18 red beads to
decorate her dress.
a. Find the ratio of the number of blue beads
to the number of red beads.
b. Find the ratio of the number of red beads to
the total number of beads used.
c. Find the ratio of the number of blue beads
to the total number of beads used.​

Answer 1

Step-by-step explanation:

total number of beads=45+18=63

a.ratio of numbers of blue beadsto the number of red beads=45/18=5/2=5:2

b.the ratio of the number of red beads to

the total number of beads used=18/63=2/7=2:7

c.ratio of the number of blue beads

to the total number of beads used.=45/63=5/7=5:7

Answer 2

No.of blue beads = 45

No of red beads = 18

Total no. of beads = 63

a. blue : red = 45 : 18 = 15 : 6 = 5 : 2

b. red : total = 18 : 63 = 6 : 21 = 2 : 7

c. blue : total = 45 : 63 = 15 : 21 = 5 : 7

hope it helps ...✓