It's 7:18... Because you have to because 7 subtract 2:12 is 7, and half is 30 min...
Answer:36!
Step-by-step explanation:
Answer:
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Step-by-step explanation:
I can't see the options, but you would need to multiply (4x - 2y = 7) by 3, and (3x - 3y = 15) by 4 so that you get 12x in both equations. Then when you subtract, you eliminate 12x. I hope this helps!