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trapecia [35]
3 years ago
13

Identify the first step that contains an error.

Mathematics
1 answer:
tatyana61 [14]3 years ago
4 0

Answer:

Step-by-step explanation:

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Please help! Change 3/8 to a decimal fraction.
arsen [322]

Answer:

0.375

Step-by-step explanation:

0.125 x 3 = 0.375

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3 years ago
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4th grade math question Joey walk 333 ft how many yards did Joey walk? At 5 yds vs 15 ft
icang [17]

111 yards

Explanation

Step 1

to solve this we need to know the equivalence

\begin{gathered} 3\text{ ft= 1 yd} \\ 3\text{ ft}\leftrightarrow1\text{ yd} \end{gathered}

Now, we can apply a rule of three

let x represents the number of yards in 333 ft, so

so

\begin{gathered} if \\ 3\text{ ft}\rightarrow\text{ 1 yd} \\ \text{then} \\ 33\text{ ft}\rightarrow x \end{gathered}

as the ratio is the same, we have a proportion

\begin{gathered} \frac{3\text{ ft}}{1\text{ yd}}=\frac{33\text{ ft}}{x\text{ yd}} \\ \frac{3}{1}=\frac{33}{x} \end{gathered}

Step 2

now, solve for x

\begin{gathered} \frac{3}{1}=\frac{333}{x} \\ \text{cross multiply} \\ 3\cdot x=333\cdot1 \\ 3x=333 \\ \text{divide both } \\ \frac{3x}{3}=\frac{333}{3} \\ x=111 \end{gathered}

so, the answer is 111 yards

I hope this helps you

8 0
1 year ago
Kirsten and Molly are on a 3-day bike ride. The entire route is 156 miles. On the first day, they biked 64 miles. On the second
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47 miles
She biked 109 miles the first 2 days. Subtract that from the total, and you get 47 miles left to be biked on the 3rd day
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