-15u+30
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Answer:
Step-by-step explanation:
El precio original del vestido es,
72 dolares
Answer:
64 textbooks
Step-by-step explanation:
the first two teachers had 21 students each that's 21+21=42
the other teacher had 22 students so apparently all the textbooks handed to the students are,21+21+22=64
Answer:12.33
Step-by-step explanation:
Answer:
12y+4x
Step-by-step explanation:
Multiply 4*3y and 4*x
Distributive property
