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Crank
3 years ago
14

Cheryl has $100 on her subway gift card. Each week she buys the same lunch for $10. She wants to continue using the card until t

he balance remaining is $40. Write an equation to represent the situation
Mathematics
2 answers:
ziro4ka [17]3 years ago
5 0

Answer:

100-60=40

Step-by-step explanation:

Step2247 [10]3 years ago
4 0

Answer:

In 6 weeks she will have $40.

Step-by-step explanation:

$100 - $10 - $10 -$10 - $10 - $10 - $10.

Or $100 - $60.

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An items is regularly priced at $20. Keisha bought it on sale for 40% off the regular price. How much did Keisha pay?
nirvana33 [79]

Answer:

Kiesha paid $12.

Step-by-step explanation:

40% of 20 is 8. So you subtract 8 from 20 and that gives you the amount she paid.

6 0
2 years ago
How many time larger is 9x10^-8 than 3x10^-12
kkurt [141]

Step-by-step explanation:

\frac{9 \times 10 {}^{ - 8} }{3 \times 10 {}^{ - 12} }

Apply Quoteint of Powers. Divide the intergers. serpately.

Note that Quotient of Powers is

\frac{a {}^{x} }{a {}^{y} }  = a {}^{x  - y}

So the answer is

3 \times 10 {}^{ - 8 + 12}  = 3 \times 10 {}^{4}

The answer is

3 \times 10 {}^{4}

or

30000

3 0
3 years ago
Read 2 more answers
at a local gym you can either pay $90 for a monthly pass then pay $4 each time you go to the gym or you can pay $13 each time yo
Inessa [10]

Answer:

10

Step-by-step explanation:

5 0
3 years ago
Given the following function, find the output value when x=3<br> f(x)=4x-5
Klio2033 [76]

Answer:

x=2

Step-by-step explanation:

4x-5=3

4x=3+5

4x=8/:2

x=2

6 0
3 years ago
Lincoln has p pennies and n nickles .he has at least $0 worth of coins altogether.write this situation as a inequality
skelet666 [1.2K]

Answer:

p+n=0

Step-by-step explanation:

Given that Lincoln has p pennies and n nickles and that his total worth is $0,

we can express his total using the inequality:

p+n=0

Where the sum of n and p is his total

Hence, Lincoln's situation is expressed as p+n=0

8 0
3 years ago
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