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15-09-2020
Mathematics

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Sam can prepare 30 wall paintings in four weeks.How much time will he need to do 90 wall painting s

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fatima0611 fatima0611

15-09-2020

sam needs 12 weeks.

explanation: if he can do 30 paintings in 4 weeks then find out if 30 can go into 90. since it can when you multiply it by 3, then also multiply 4 by 3 since he needs 3 times more than the original amount. in total, he will need 12 weeks

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