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Sagot :
let’s label Mark’s marbles as ‘x’ and don’s as ‘y’.
so Don has 1 more than 2 times ‘x’.
This is written as:
y=2x+1
73 is the sum of ‘x’ and ‘y’, so x+y=73.
To solve for x, substitute our equation for y:
x+(2x+1)=73
Simplify:
3x=72
x=24
Now that we have x, solve for y:
y+24=73
y=49
Mark has to sell 24 marbles,
Don has to sell 49 marbles
Hope this was helpful!
so Don has 1 more than 2 times ‘x’.
This is written as:
y=2x+1
73 is the sum of ‘x’ and ‘y’, so x+y=73.
To solve for x, substitute our equation for y:
x+(2x+1)=73
Simplify:
3x=72
x=24
Now that we have x, solve for y:
y+24=73
y=49
Mark has to sell 24 marbles,
Don has to sell 49 marbles
Hope this was helpful!
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