9514 1404 393
Answer:
a) 37
b) n+d
Step-by-step explanation:
This is a reading comprehension problem. You are asked to understand what you are reading, and to think about what question is being asked.
<u>Given</u>:
a) someone bought 20 notebook computers and 17 desktop computers
b) someone bought n notebook computers and d desktop computers
<u>Find</u>:
a) the total number of computers bought
b) the total number of computers bought
<u>Solution</u>:
a) The total number bought is found by adding together the numbers of each kind:
20 +17 = 37 . . . total computers
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b) The total number bought is found by adding together the numbers of each kind:
n + d . . . total computers