Advertisements
Advertisements
Question
If a note book costs Rs p and a pencil costs Rs 3, then the total cost (in Rs) of two note books and one pencil.
Solution
Given, Cost of one notebook = Rs. p
Cost of 2 notebooks = 2 × p = Rs. 2p
Similarly, cost of one pencil = Rs. 3
Now, Total cost = Cost of 2 notebooks + Cost of one pencil = Rs. (2p + 3)
Hence, the required expression is 2p + 3.
APPEARS IN
RELATED QUESTIONS
Write the following using literals, numbers, and signs of basic operations:
y decreased by 7
Write the numerical coefficient of ab
Write the numerical coefficient of 7xyz
Write the numerical coefficient of −2x3y2z
Identify the like terms in the following:
abc, ab2c, acb2, c2ab, b2ac, a2bc, cab2
Let
P = a2 − b2 + 2ab,
Q = a2 + 4b2 − 6ab,
R = b2 + 6, S = a2 − 4ab and
T = −2a2 + b2 − ab + a.
Find P + Q + R + S − T.
Annual salary at r rupees per month alongwith a festival bonus of Rs 2000 is ______.
If the present age of Ramandeep is n years, then her age after 7 years will be ______.
Price of petrol was Rs. p per litre last month. Price of petrol now is Rs. (p – 5) per litre.
If 9 is the solution of variable x in the equation `(5x - 7)/2` = y, then the value of y is 28.
