10 x 40 = 400 so the answer is 400 pieces of chalk.
Answer:
A. It takes the robot 3/20 hour to complete one task
B. The robot can complete 6 2/3 task in on hour
Step-by-step explanation:
184/525
(this is me adding characters)
Answer:$18
Step-by-step explanation:4 * 4 = $16. One pair of pants = $13. 16 + 13 = $29. 47 - 29 = $18
Triangle has a total of 180 degrees
add up all angles
A+B+C = 3x+5+4x-2+2x+6=180
9x=171
x=19
Plug x values into the A , B and C expressions and you get your answers