Answer:
Q No 33: After solving c-1 we get the answer : 11
Q No 47: a) Money earned for mowing 1 lawns = 15 dollars
b) Money earned for mowing 7 lawns = 105 dollars
Step-by-step explanation:
Question No 33
We are given: a=3, b=2 and c=12
We need to evaluate c-1
It can be solve by placing the value of c, given in question and then subtract 1 from it.
We are given:
So, after solving c-1 we get the answer : 11
Question No 47
You can earn 15n dollars for mowing n lawns. How much do you earn for mowing 1 lawn? 7 lawn?
Money earned for mowing n lawns = 15 n
Money earned for mowing 1 lawn:
Put n = 1 in the equation:
So, Money earned for mowing 1 lawns = 15 dollars
Money earned for mowing 7 lawn:
Put n = 7 in the equation:
So, Money earned for mowing 7 lawns = 105 dollars