Answer:176 psychology textbooks and 98 Biology textbooks were sold.
Step-by-step explanation:
Let x represent the number of psychology textbooks that were sold.
Let y represent the number of biology textbooks that were sold.
textbook store sold a combined total of 274 psychology and biology textbooks in a week. This means that
x + y = 274 - - - - - - - - - - -1
The number of psychology textbooks sold was 78 more than the number of biology textbooks sold. This means that
x = y + 78
Substituting x = y + 78 into equation 1, it becomes
y + 78 + y = 274
2y = 274 - 78
2y = 196
y = 98
x = y + 78 = 98 + 78
x = 176
The answer is 12 because you put -3 in the C places which gets you 9 – -3 and then you follow the signs which you would have to add them and get 12
Answer:
2 2/3 Square Units
Step-by-step explanation:
To Find The Area Of Shaded Rectangle, We Must Multiply The Rectangle's Length And Width. The Length Of The Shaded Rectangle is 4 Units The Width Of The Rectangle Is 2/3 Of Unit. Area Of Rectangle = Length x Width So, 4/1 x 2/3 = 2 2/3 That's Your FINAL Answer!
Mark As Brainliest Pls! =)
Answer:
1/3 is a rational number
Step-by-step explanation:
