A sugestion: calculate m, c, d from:
3m + 4c + 7d = 5.45; 4m + 2c + 8d = 5.30; 2m + 5c + 6d = 5.15;
Then, calculate 10 - (4m + 2c + 9d);
To calculate the change from a $10 bill for Alphonse's coffee shop expenses, subtract the total expenses from $10. ;
To find Alphonse's change from a $10 bill, we first sum up the costs from Monday to Wednesday totaling 16.90. W e t h e n c a l c u l a t e T h u rs d a y ′ se x p e n ses a s X and find change using the formula 10 − X. Thus, without the Thursday total, we can't provide the final change amount.
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