2 years ago

The sum of two consecutive multiples of 10 is 210. find the smaller multiple.

2 answers:

7 0

The answer is: " 100 " .
_______________________________________
Explanation:
_______________________________________

10x + 10(x+1) = 210 ; Find "10x" ;

10x + 10x + 10 = 210 ;

20x + 10 = 210 ;

Subtract "10" from each side of the equation;

20x + 10 - 10 = 210 - 10 ;

20x = 200 ;

Divide EACH side of the equation by "20" ; to isolate "x" on one side of the equation; and to solve for "x" ;

20x / 20 = 200 / 20 ;

x = 10
_____________________________
Solve for "10x"; the smaller multiple;

10x = 10 * x = 10 * 10 = 100 .
____________________________
The answer is: " 100 " .
____________________________

vfiekz [6]2 years ago

5 0

Guessing but 2x+10=210? Then 2x=200, x=100.

You might be interested in

charmaine and tesha each have a number of cards, in the ratio 2:3. tesha and holly have a number of cards in the ratio 2:1. if t

Sav [38]

C:t=2:3
t:h=2:1

multiply first equation by 2 and 2nd by 3
c:t=4:6
t:h=6:3
so
c:t:h=4:6:3

if t is 4 more than c
t is 6 units and c is 4
6-4=2
so 4=2 units
2=1 unit

hollly is 3 units
3*2=6
holly has 6 cards

3 0

1 year ago

Bryan has a balance of 320 in his checking account he spends 15 each week for the next eight weeks. write an equation showing hi

viva [34]

Bryan spends T=15x
320 divided by 15 is and average of $21 per week

7 0

1 year ago

A store sells a certain tile for $2 per tile and a pint of paint for $3. A second store sells the same items for $1 per tile and

andreev551 [17]

Answer:

2 x plus 3 y equals 26. X plus 4 y equals 18

Step-by-step explanation:

Number of tiles, = x

Number of pints of paint, = y

Store 1:

Cost per tile = $2 ; cost per pint = $3 ; total cost = $26

Store 2 :

Cost per tile = $1 ; cost per pint = $4 ; total cost = $18

System of equation:

2x + 3y = 26 - - - (1)

x + 4y = 18 - - - - - (2)

7 0

1 year ago

How long is bob's journey from aberystwyth to shrewsbury

steposvetlana [31]

Answer: bob will take a while

Step-by-step explanation:

4 0

1 year ago

Mike is 5 years old and Randy is 8 years old. Select all proportional relationships that have the same ratio to that of Mike and

Yanka [14]

Answer:

The ratio is multiplying 1.6 so just pick all the proportional relationships where you have to multiply by 1.6.

Step-by-step explanation:

Proportional relationships man you have to multiply, but since I didn't know what you multiplied 5 to get to 8 I divided.

8÷5=1.6

And if you want to check your answer then multiply.

5×1.6=8

<u><em>Could I please have BRAINLIEST?</em></u>

5 0

2 years ago