Answer:
literally google graphing calculator and type 3x
She can get $12. X= ($42)(2/7)
U should do like this... But sry I don't know third part
The original expression evaluates to 54.4 as shown in the first working.
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For some reason, 3.4 got transcribed to be 1.7 in the 3rd line of the second working. There is no math operation in the expression that requires 3.4 to be divided by 2.
