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Ad libitum [116K]
2 years ago
6

Simplify the expression 0.8+0.65÷0.75

Mathematics
2 answers:
gulaghasi [49]2 years ago
5 0
9 h h h h j huh h j j hi
bogdanovich [222]2 years ago
3 0

Answer:

1.66 (appx)

Step-by-step explanation:

According to BODMAS rule , we should solve division operation in the expression first , then we'll finish the addition opearation .

0.65 \div 0.75 + 0.8

=  >  \frac{65}{100}  \div  \frac{75}{100}  +  \frac{8}{10}

=  >  \frac{65}{100} \times  \frac{100}{75}   +  \frac{8}{10}

=  > \frac{13}{15}  +  \frac{8}{10}

=  >  \frac{(13 \times2) + (8 \times 3) }{30}

=  >  \frac{50}{30}  =  \frac{5}{3}  = 1.6666.........

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allochka39001 [22]

Answer:

I hope this helps. If I misunderstood the question let me know

Step-by-step explanation:

1. When dividing a negative by a negative, your answer would be positive.

2. When dividing a negative by a positive, your answer will be negative.

3. When dividing a positive by a negative,your answer will be negative.

3 0
2 years ago
Read 2 more answers
A wallet contains $460 in $5, $10, and $20 bills. The number of $5 bills exceeds twice the number of $10 bills by 4, and the num
Butoxors [25]

Answer:

Number of $5 bills = 32

Number of $10 bills = 14

Number of $20 bills = 8

Step-by-step explanation:

Let x number of $5, y number of $10 and z number of $20

The number of $5 bills exceeds twice the number of $10 bills by 4.

Therefore, x = 2y + 4

The number of $20 bills is 6 fewer than the number of $10 bills.

Therefore, z = y - 6

A wallet contains $460 in $5, $10, and $20 bills.

Therefore,

5x + 10y + 20z = 460

Substitute x and y into equation

    5(2y+4) + 10y + 20(y-6) = 460

10y + 20 + 10y + 20y - 120 = 460

                           40y - 100 = 460

                                    40y = 460 + 100

                                    40y = 560

                                      y = 14

  • Put the value of y into x = 2y + 4 and solve for x

                                      x = 2(14) + 4

                                      x = 32

  • Put the value of y into z = y - 6 and solve for z

                                      z = 14 - 6

                                      z = 8

Hence, the each type of bills,

Number of $5 bills = 32

Number of $10 bills = 14

Number of $20 bills = 8

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Answer:

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Simply add the 27.99 with 25%

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