A primary 4 question had the power to make us pull hair and lose sleep.
We turned off the lights, wanting to sleep, but the question haunted our minds seperately in the silence. I broke into laughter thinking how silly we were. And he suddenly thought of a formula, got up, turn on the light, and continued solving! Lols!!
Try it!
20 fish burger + 50 chicken rice costs $230.
10 fish burger + 25 bottles of water costs $65.
How much does a botrle of water cost?
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