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20.01.2021 •
Mathematics
Question 3 Rose purchased a total of 17 books and toys for the Rupert Play School. Each book costs $11 and each toy costs $6. How many books and toys did she buy for $157? Justify your answer. 5 points - You must show your work for full credit. 6 books and 11 toys 7 books and 10 toys 10 books and 7 toys 11 books and 6 toys
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Ответ:
6 toys
Step-by-step explanation:
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Ответ:
no
Step-by-step explanation:
if you have a subtraction sign outside parenthesis, such as -(-0.5x + 10), then the - goes to all numbers inside it:
-(-0.5x + 10) would be
0.5x - 10 after distributing the negative sign
so that is incorrect because 0.5x - 10 is not equivalent to 1/2x + 10