Assign two variables for each problem, and write the equations. solve.
in five years, ka...
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Mathematics, 26.11.2019 20:31 bullockarwen
Assign two variables for each problem, and write the equations. solve.
in five years, kate will be twice as old as joey. right now, kate is 11 years older than joey. how old is joey right now?
i need two variables and two equations. and solve it.
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Mathematics, 21.06.2019 22:00, goodperson21
White shapes and black shapes are used in a game. some of the shapes are circles. while the rest are squares. the ratio of the number of white shapes to the number of black shapes is 5: 11. the ratio of the number of white cicrles to the number of white squares is 3: 7. the ratio of the number of black circles to the number of black squres is 3: 8. work out what fraction of all the shapes are circles.
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