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24 votes
A horse's lifespan is about 30 years. A horse's lifespan is

56 years less than that of an elephant. Write a
subtraction equation and solve to find the lifespan of an
elephant.

2 Answers

2 votes

Final answer:

To find the lifespan of an elephant when a horse's lifespan is 30 years and an elephant lives 56 years longer, we solve the equation E = H + 56, where H is 30 years for a horse, resulting in an elephant's lifespan of 86 years.

Step-by-step explanation:

The question requires us to write a subtraction equation that represents the lifespan of a horse and an elephant, and then solve for the lifespan of an elephant. If a horse's lifespan is 30 years and an elephant's lifespan is 56 years more, we can use the following equation where E represents the elephant's lifespan:

E = H + 56

Since we're given that the horse's lifespan (H) is 30 years, we can substitute 30 for H in the equation:

E = 30 + 56

Therefore, by solving the addition, we get:

E = 86

Thus, an elephant's lifespan is 86 years.

User Miskender
by
8.3k points
4 votes

Answer:

x = 30 + 56

The lifespan of an elephant is 86 years

Step-by-step explanation:

User Big Russ
by
8.0k points

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