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Lelu [443]
3 years ago
14

Mikayla bought 5 skirts at $x each. Three of the 5 skirts came with a matching top for an additional $9 each. Write and simplify

an expression that represents the total cost of her purchase.
Mathematics
1 answer:
strojnjashka [21]3 years ago
4 0
So Mikayla bought 5 shirts for $x dollars each
this part of the expression we can call 5x
then 3 of the shirts came with an additional $9 each. 9x3=27
so the expression is 5x+27
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Drag each tile to the correct box. Not all tiles will be used.
german

Answer:

P=$880,I=$92.40

P=$675,I=$94.50

P=$770,I=$96.79

Step-by-step explanation:

Simple interest rate is the interest eared on principal amount only over time:

I=PRT

#$880 at 5.25% for 2 years

I=PRT, P=880, R=0.0525, T=2\\\\=880\times 0.0525\times 2\\\\=92.4

Hence, the interest earned is $92.40

#$675 at 3.5% for 4 years:

I=PRT, P=675, R=0.035, T=4\\\\=675\times 0.035\times 4\\\\=94.5

Hence, the interest earned is $94.50

#$770 at 4.19 for 3 years:

I=PRT, P=770, R=0.0419, T=3\\\\=770\times 0.0419\times 3\\\\=96.79

Hence, the interest earned is $96.79

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Look at the number after it, if it's 5 or more we round up, if it's 4 or less we round down.

The number is 6, so we round up to 9.7.

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