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Unit 5 Lesson 7 POLYNOMIALS AND PROPERTIES OF EXPONENTS UNIT TEST

Supposed you earned 7t - 1 dollars on Monday and 8t + 5 dollars on Tuesday. What were your total earnings? Simplify your answers.

A. -t + 4 dollars
B. -t - 6 dollars
C. 15t - 6 dollars
D. 15t + 4 dollars

Respuesta :

averygameknowsb

Answer:

The answer would be D., 15t + 4 dollars.

Step-by-step explanation:

All you have to do is add the like terms.  So, do 8t + 7t which equals 15t.  Next, do -1 + 5, which equals 4.  So, 15t + 4 dollars.  Hope this helps!

david8644

Answer:

D. 15t + 4 dollars

Step-by-step explanation:

To be able to know the sum of the two days you just have to add them.

7t-1 +(8t+5)=

7t+8t=15t

-1+5=4

The sum of the two days is 15t+4 and this is the total earnings that you are supposedly made on Monday and Tuesday.

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