kutubmia
10.05.2021 •
Mathematics
Two students determined the value of this expression. -2.5(1.4+3.1) + 6.9(-4.3) These are the steps each student used. Student Q Step 1: -3.5 - 7.75 +6.9(-4.3) Student P Step 1: -3.5 +7.75 +6.9(-4.3) Step 2.-3.5-7.75 -29.67 Step 2: -3.5 +7.75 - 29.67 Step 3: -(3.5 - 7.75 -29.67) Step 3: 7.75 -3.5 - 29.67 Step 4:-(-33.92) Step 4: -25.42 Step 5: 33.92 Analyze the steps and describe any errors made by Student P and Student Q.
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Ответ:
The answer is D. for every 14 pear trees there are 35 apple trees
Step-by-step explanation: