Answer:
9
Step-by-step explanation:
35-8=27
27 divided by 3 = 9
Answer:
63 and 72
Step-by-step explanation:
Sum the parts of the ratio, 7 + 8 = 15 parts
Divide the sum by 15 to find the value of one part of the ratio
135 ÷ 15 = 9 ← value of 1 part of the ratio, thus
7 parts = 7 × 9 = 63
8 parts = 8 × 9 = 72
The numbers are 63 and 72
Answer:
1. 18 2. 13 3. 36
Step-by-step explanation:
Bookshelf =7boards each
Lumber=4 boards each
He wants to make 5 bookshelves total
5x7=35
So he needs 35 boards
And each lumber makes 4 boards
So what number times 4 is equal to or more than 35?
9times 4 is 36
So he needs 9 pieces of lumber to make 5 bookshelves.
Good luck with your work! Brainliest would be appreciated :)