Answer:
20
Step-by-step explanation:
Segment ST is half and RS is the other half. RT is the whole line so adding ST and RS will get you RT. 4x-7+3x-8=4x. solve for x which will get you 5. Replace the x with 5 in 4x (for segment RT) will get you an answer of 20 for the whole line.
Answer:
58.5
Step-by-step explanation:
6.5*9=58.5
He can make 15 chess boards.
All you need to do is multiply 3 by 5.
Answer:
1.05(0.85y)
Step-by-step explanation:
15% off so .85y and a 5% tax so 1.05(.85y)
The answer is 3 1/2 or in decimal form it is 3.5