Jenny paid $8.54 for a pizza. She now has $16.79. With how much money did she start?

Mathematics

2 answers:

irinina [24]3 years ago

8 0

the math is very simple really 25.35 i hope this helps

valina [46]3 years ago

3 0

16.79 - 8.54= ? so the answer is 8.25

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Cell phone Plan A costs $70 per month and comes with a free $500 phone. Cell phone Plan B costs

Agata [3.3K]

Answer:

25 Months

Step-by-step explanation:

Let's make the equations first,

Plan A: 70x Plan B: 50x+500...

Now we make it into an equivalent equation:

70x=50x+500...

Then we solve:

70x=50x+500-50x -50x20x=500...

÷20 ÷20x=25...

To check if it's correct, we just plug it in:

70(25)=50(25)+500...

1750=1750...

Brainliest Answer please? Hope this helps! Good luck!

8 0

3 years ago

448 = -5v + 8(-5 - 7v)<br> What is v?

lapo4ka [179]

Answer:

v = -8

Step-by-step explanation:

First we would have to distribute the 8(-5 - 7v). To do this we would multiply 8 by -5 and 8 by -7v to get $448=-5v-40-56v$ . After this, we would have to simplify like terms by subtracting 56v from -5v to get $448=-61v-40$ . We now have to get the variable on one side and to do that, we can add 40 to both sides to get $488=-61v$ . Finally to get the variable alone, we would have to divide both sides by -61 to get $v=-8$ .