$\dfrac{5}{7}\ of\ 100:\\\\\dfrac{5}{7}\cdot100=\dfrac{5\cdot100}{7}=\dfrac{500}{7}=\dfrac{70+28+2}{7}=\dfrac{70}{7}+\dfrac{28}{7}+\dfrac{2}{7}\\\\=10+4+\dfrac{2}{7}=14\dfrac{2}{7}\\\\\dfrac{2}{7}\ \text{is smaller than}\ \dfrac{1}{2}.\ \text{Therefore}\ 14\dfrac{2}{7}\approx14\\\\Answer:\ \boxed{14}$

7 0

3 years ago

I need help with a math equation

baherus [9]

Answer:

-29

Step-by-step explanation:

Remove the brackets: -20 - 9

= -29

4 0

2 years ago

The boerdmad family walked 2/5 of a mile in 2/7 of an hour what is their unti rate in miles per hour

Lapatulllka [165]

Answer:

⁷⁄₅ miles in 1 hour

Step-by-step explanation:

⅖ mile in ²⁄₇ hour

Multiply both fractions by 3.5

⁷⁄₅ miles in 1 hour

3 0

3 years ago