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Emma bought firework rockets. Some rockets exploded into 3 stars and some made 4 stars. How many rockets of each kind were fired to make 15 stars altogether?
in Grade 5 Maths by Diamond (50,571 points) | 81 views

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come up with necessary combinatio that add up to 15,

3+4+4+4= 1 for 3stars and 3 for 4stars
by Diamond (39,577 points)
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