5. How many more books do you need to read over the summer if you already read 4 books and you need to read a total of 16 books? Write a equation to represent this situation and solve the equation using mental math.

A. 16 ÷ b= 4;b=4 more books
B. 4 x b = 16; b = 4 more books
C. 4 +16 = b; b = 20 more books
D. 4 + b = 16; b = 12 more books
I am thinking of a number. It is increased by 9. The product is 27. What is my number?
A. n = 36
B. n = 18
C. n = 3
D. n = 4
Translate the following sentence into an equation. Then solve the equation.
3. The difference of a number and 7 is 21.
A. 21-7=n; n=14
B. n + 7=21; n=14
C. n-7=21; n=28
D. 21-n=7;n =14
please help me ASAP

The answer is D.

If you read 4 books and need to read a total of 16 books

The equation would be 4+b=16 =12 16-4=12 which solves for b to equal 16.

B
C
C
A
D

How can I with my disorder? I've tried but I can't find the answers so I came to you guys

Chin up Homework Stan! it gets better with practice

.

yep

For the first question, we can represent the situation with the equation 4 + b = 16, where b represents the number of additional books needed to read over the summer. To solve this equation, we can subtract 4 from both sides: b = 16 - 4, which simplifies to b = 12. Therefore, the correct answer is option D. You would need to read 12 more books over the summer.

For the second question, let's represent the unknown number as n. It is increased by 9, which means we multiply it by 9. The product is 27, so we can write the equation as n + 9 = 27. To solve this equation, we can subtract 9 from both sides: n = 27 - 9, which simplifies to n = 18. Therefore, the correct answer is option B. The number is 18.

For the third question, the sentence "The difference of a number and 7 is 21" can be translated into the equation n - 7 = 21, where n represents the number. To solve this equation, we can add 7 to both sides: n = 21 + 7, which simplifies to n = 28. Therefore, the correct answer is option C. The number is 28.

Hope this helps!

No. Giving you the answers to these simple problems will not help you. You need to learn how to find these answers yourself.