asked 154k views
4 votes
Answer the question in the included image?

Answer the question in the included image?-example-1

1 Answer

3 votes

2x+15 +2x+3x+20+9=100

7x+44=100

7x=100-44=56

=> x=56:7

x=8

=> 4x+15=32+15=47 stamps in the 20th century

Probability=47/100; 47%

answered
User Bo Borgerson
by
8.8k points

No related questions found

Welcome to Qamnty — a place to ask, share, and grow together. Join our community and get real answers from real people.