The number of T-shirt bought by Shilpa from a clothing store = 30
Percentage of T-shirt that were blue = 20%
Then Number of T-shirt that were blue in color = (20/100) * 30
= 2 * 3
= 6
Number of T-shirts that were black in color = (1/2) * 30
= 15
Then
The total number of T-shirts that were black and blue = (15 + 6)
= 21
Then
The total number of T-shirts that were neither black nor blue = 30 - 21
= 9
So the number of T-shirts that were neither black nor blue was 9.
Answer:
5 i think
Step-by-step explanation:
im doing the test ill come back and tell you if its right
1.1 Factoring: 4x2+9y2+16z2-6xy-12yz-8xz
Thoughtfully split the expression at hand into groups, each group having two terms :
Group 1: -6xy-12yz
Group 2: 16z2-8xz
Group 3: 4x2+9y2
Pull out from each group separately :
Group 1: (x+2z) • (-6y)
Group 2: (x-2z) • (-8z)
Group 3: (4x2+9y2) • (1)
Looking for common sub-expressions :
Group 1: (x+2z) • (-6y)
Group 3: (4x2+9y2) • (1)
Group 2: (x-2z) • (-8z)