A textbook store sold a combined total of 478 biology and history textbooks in a week. The number of biology textbooks sold was 48 more than the number of number of history textbooks sold. how many textbooks of each type were sold

215 history and 263 biology

Step-by-step explanation:

478 - 48 = 430. 430/2 = 215. 215 history textbooks. 215 + 48 = 263 biology textbooks

none.

step-by-step explanation:

m

1

=

5

m1=5

b

=

−

1

b=-1

find the slope and y-intercept of the second equation.

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m

2

=

0

m2=0

b

=

−

6

b=-6

compare the slopes

m

m of the two equations.

m

1

=

5

,

m

2

=

0

m1=5,m2=0

compare the two slopes in the decimal form. if the slopes are equal, then the lines are parallel. if the slopes are not equal, then the lines are not parallel.

m

1

=

5

,

m

2

=

0

m1=5,m2=0

idk

step-by-step explanation:

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