Devin sent a total of 20 texts and emails on Monday. The number of texts was one less than twice the number of emails. Find the

Question

4 years ago

6

number of emails Devin sent

1 answer:

anyanavicka [17] · Answer 1 · 2022-01-08T18:41:27+03:00

7 0

Answer:

21 mails

Step-by-step explanation:

Let there are x no of texts and y no of emails.

Condition 1,

x+y = 20 ...(1)

Condition,

x=2y-1 ...(2)

Put the value of x from equation (2) in (1). So,

(2y-1)+y = 20

Taking like terms together,

2y-y=20+1

y=21

So, Devin sent 21 mails,.