A teacher spends hour grading of a student's essay. At this rate, how long does it take the teacher to grade the student's entir
1 answer:
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Answer:
x = 10
Step-by-step explanation:
If S is between R and T, then RS + ST will be equal to RT.
See image.
Use this idea to write an equation.
2x + 3 + 4x = 63
Combine like terms, Subtract 3, Divide by 6, to solve for x. See image.
