MATHEMATICS MIDDLE SCHOOL

PLZ HELP!! Johnny rode his bike 4/7 of a mile from his house to the lake on a straight path. Then, he turned around and rode his bike 3 1/8 miles in the opposite direction. About how far is Johnny from his house? A. 1 1/2 miles
B. 2 miles
C.2 1/2 miles
D. 3 miles

Answers

Answer 1

Answer:

Answer:

3 miles

Step-by-step explanation:

no need

Answer 2

Answer:

Answer:

C. 2 1/2

Step-by-step explanation:

ED2020

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How to solve question 59

I NEED HELP

Answers

Answer: (a) 0.87x

(b) 0.87x = 174

(c) 200 players

Step-by-step explanation:

$\n$ Let x be the total number of players who signed up for the season,

$\n$ since 13% dropped , it implies that 13% of x dropped out , which means 0.13x dropped out.

$\n$ To know the players who finished the league , it implies

$\n$ x - 0.13x = 0.87x

$\n$ This means that 0.87x finished the league

$\n$ (a) The expression for the number of players who finished the season will therefore be 0.87x , this is as a result of subtracting those that dropped out (0.13x) from those that signed up ( x)

$\n$ (b) The equation to represent the number of players who signed up for the soccer will thus be:

$\n$ $\n$ x - 0.13x = 174 , since it was given that 174 finished the league, this implies

$\n$ 0.87x = 174

$\n$ (c) Solving the equation, we have

$\n$ 0.87x = 174

$\n$ 0,87x / 0.87 = 174 / 0.87

$\n$ x = 200

$\n$ Therefore 200 players signed up for the league

Step-by-step explanation:

a. 87% finished the season because 13% dropped

b. 100×174 = 87x

c. 17400 = 87x ➡ x = 17400 ÷ 87 ➡ x = 200 player signed up for the soccer league.

A number is 42,300 when multiplied by 10 . Find the product of this number and 500.

Answers

The answer is 2,115,000.

First, you want to find the number itself. Think of the number as "x." So, "x" times 10 = 42,300. To figure this out, you want "x" by itself on one side of the equal sign. To do so, you divide 42,300 by 10: 4,230. Next, to find the product of 4,230 and 500, you multiply them together: 4,230 times 500 = 2,115,000.

2,115,000

Further explanation

We will solve the problem of multiplication operations.

Given:

A number is 42,300 when multiplied by 10.

Question:

Find the product of this number and 500.

The Process:

Let the number as N.

N multiplied by 10 equals 42,300.

$\boxed{ \ N+N+N+N+N+N+N+N+N+N = 42,300 \ }$

$\boxed{ \ 10 * N = 42,300 \ }$

Because 42,300 contains two zeros while 10 has one zero, thus N has one zero.
$\boxed{ \ 423 * 1 = 423 \ }$

Based on the two reasons above, we can conclude that the value of N is 4.230. So, the number in question is $\boxed{ \ 4,230 \ }$ .

Another way to get N is to divide 42,300 by 10.

$\boxed{ \ N = 42,300 / 10 \rightarrow \boxed{ \ N = 4,230 \ } \ }$

Now we proceed to find the product of this number and 500.

$\boxed{ \ 4,230 * 500 = ? \ }$

$\boxed{ \ 423 * 5 * 1,000 = ? \ }$

$\boxed{ \ 2,115 * 1,000 = 2,115,000 \ }$

Thus, the product of this number and 500 is $\boxed{\boxed{ \ 2,115,000 \ }}$ .

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Keywords: a number is 42,300, when multiplied by 10, 4,230, find the product, this number, and 500 multiplication operation, zero, divide

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