3 years ago

Use the number line below, where RS = 8y +4, ST = 4y + 7, and RT = 107.

Mathematics

1 answer:

NISA [10]3 years ago

8 0

Answer:

a) Finding value of y:

8y+4+4y+7=107

12y+11=107

12y =107-11

12y =96

y = 96/12

y = 8

b) RS= 8y+4

= 8(8)+4

= 64+4

= 68

ST= 4y+7

= 4(8)+7

= 32+7

= 39

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