smp32
15.01.2021 •
Mathematics
HEY PLEASE
4. Mrs. Smith bought two pencils and four notebooks at Staples for a total of $11.86. Mr. Jones
bought six pencils and three notebooks for $12.27 at Staples. Write and solve a system of
equations to determine the cost of one notebook and the cost of one pencil.
Let: X=
y=
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Ответ:
1470
Step-by-step explanation:
4 + 3 = 7 + 7 = 14
105 × 14 = 1470
He ran 4 miles east and then 3 miles north. Since he burned calories using the diagonal line, he will burn calories from there as well. So, that's an extra 7 miles. To clarify, he burned a total of 1,470 calories on his run.