Question

Evaluate

Answer 1

\[Evaluate \frac{ 3 }{ 7 }r + \frac{ 5 }{ 8 }s\]
when r = 14 and s = 8

Answer 2

\[\frac{ 3 }{ 7 }\times 14 + \frac{ 5 }{ 8 }\times 8\] is a start
then cancel first, add last

Answer 3

wait so do i do both top and bottom?

Answer 4

not sure what you mean by "do"

Answer 5

do i multiply

Answer 6

how many times does seven go in to fourteen?

Answer 7

98

Answer 8

???

Answer 9

not "seven times fourteen"
seven divided by fourteen
i.e. how many sevens in fourteen?

Answer 10

ahh 2

Answer 11

ok so \[\frac{3}{7}\times 14=3\times 2=?\]

Answer 12

6

Answer 13

for the first term, right
repeat with \[\frac{5}{8}\times 8\] how many times does eight go in to eight?

Answer 14

1

Answer 15

yeah so \[\frac{5}{8}\times 8=5\] now you can add

Answer 16

12 is the answer?

Answer 17

\[6+5=12\]??

Answer 18

whoops i was think 7 + 5
11 is the answer

Answer 19

yes eleven

Answer 20

thank u satellite-san