Heyy press this question! i need help, this not the last question, i have like 4 mores sooo...

Mathematics

2 answers:

UkoKoshka [18]2 years ago

8 0

Answer:

54619.875 or 55,000

Step-by-step explanation:

5020 times 9.9 is 49698

1575 times 3.125 is 4921.875

49698 plus 4921.875 is 54619.875

Marysya12 [62]2 years ago

6 0

Answer:

A. 50,00 pounds

Step-by-step explanation:

4,921.875+49,698=54,619.875 Round down to 50,000.00

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3. A restaurant bill of $350 was paid using $5 notes and $50 notes. The total number of

Sonbull [250]

The number of $5 notes is 10 and $50 notes is 6

Step-by-step explanation:

Let x be the number of $5 notes

and

y be the number of $50 notes

Then according to given statements

"The total number of notes used was 16."

x+y=16 Eqn 1

"A restaurant bill of $350 was paid using $5 notes and $50 notes."

5x+50y=350 Eqn 2

$From\ Eqn\ 1\\x+y=16\\y=16-x\\Putting\ y=16-x\ in\ equation\ 2\\5x+50(16-x)=350\\5x+800-50x=350\\-45x+800=350\\Subtracting\ 800\ from\ both\ sides\\-45x+800-800=350-800\\-45x=-450\\Dividing\ both\ sides\ by\ -45\\\frac{-45x}{-45}=\frac{-450}{45}\\x=10$