choose a number from 10 to 90. draw and write to show the numbers that are 10 less and 10 more than your number

Mathematics

2 answers:

finlep [7]2 years ago

8 0

50:
40 is 10 less than 50
60 is 10 more than 50

nataly862011 [7]2 years ago

3 0

I chose 13

less: 3. 4. 5. 6. 7. 8. 9. 10. 11. 12
more: 14. 15. 16. 17. 18. 19. 20. 21. 22. 23

Hope this helps!

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Which of the following fractions is in its lowest form? <br> 10/21 <br> 10/22<br> 10/24 <br> 10/25

Oksanka [162]

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6 0

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Honey's blueberry muffin recipe calls for 3 1/4 pounds of blueberries and 2 1/2 cups of muffin mix. How many cups of muffin mix

astra-53 [7]

For this case we convert the mixed numbers to improper fractions: $3 \frac {1} {4} = \frac {4 * 3 + 1} {4} = \frac {12 + 1} {4} = \frac {13} {4}\\2 \frac {1} {2} = \frac {2 * 2 + 1} {2} = \frac {4 + 1} {2} = \frac {5} {2}$

Now, we propose a rule of three:

$\frac {13} {4}$ pounds of blueberries -------------> $\frac {5} {2}$ cups of muffin mix

7 pounds of blueberries -----------------------------> x

Where the variable "x" represents the number of cups of muffin mix that Honey should use.

$x = \frac {7 * \frac {5} {2}} {\frac {13} {4}}\\x = \frac {\frac {35} {2}} {\frac {13} {4}}\\x = \frac {35 * 4} {2 * 13}\\x = \frac {140} {26}\\x = \frac {70} {13}\\x = 5.38$