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Jack did 3/5 of all problems on his weekend homework before sunday. on sunday he solved 1/3 of what was left and the last 4 problems. how many problems were assigned for the weekend?

∆abc is mapped onto ∆a'b'c' which is then mapped onto ∆a"b"c". ∆abc and ∆a"b"c" are shown in the diagram. a. describe the sequence of transformations from ∆abc to ∆a"b"c". b. describe a single transformation from ∆abc to ∆a"b"c". c. what is the relationship between ∆abc and ∆a’’b’’c’’? explain your reasoning.

Boris wants to buy pineapples and watermelons. he wants to buy a total of at least 1616 fruits (condition aa) with \$60$60 at most (condition bb). the graph represents the constraints on the number of pineapples pp and watermelons ww boris buys. boris buys 66 pineapples. how many watermelons can he buy to meet both his constraints?