Question

Kavisha earns ₹ x per day & spends ₹ y per day. How much does she save in 30 days?

30x+y
30×-y
30x-30y
x-30y​

Answer 1

Answer:

30x-30y

Step-by-step explanation:

earning = x per day

monthly earning =30x

monthly spending = 30y

savings = earning - expenses = 30x-30y

Answer 2

Step-by-step explanation:

Given that

Kavita earns ₹x per day

spend ₹y per day

To find save in 30 days

Solution

earns for 30 day is 30x

spend for 30 day is 30y

hence total save will be 30x-30y

hence answer will be 30x-30y.