Answer:
The cost of 7 pens is RS 70
Step-by-step explanation:
Let c=the cost of one book and p=the cost of one pen
5b+4p=115
b=15
5(15)+4p=115
75+4p=115
4p=115-75
4p=40
p=40/4
p=10
7p=7*10
7p=70
The cost of 7 pens is RS 70
Answer:
the blue one
Step-by-step explanation:
1. congurency is when the two shapes are the exact same
2. by just looking at the sides of each option, the blue rectangle is the only one that has 12*18 dimensions
3. the given angle also matches up
Answer:
-48
Step-by-step explanation:
we can see each number is getting doubled but flipped from negative and positive and vise versa. aka getting multiple by negative 2
we can also double check our work by multiplying each number in the sequence we have by -2 and make sure it follows the sequence.