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Aleksandr-060686 [28]
2 years ago
13

Cross-multiplication is helpful in:

Mathematics
1 answer:
EastWind [94]2 years ago
7 0

Answer:

i think it's B

Step-by-step explanation:

It cannot be used when performing operations—addition, subtraction, multiplication, or division

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Fernando had to pay $1.40 in sales tax when he purchased a shirt . If the sales tax rate is 7% how much did his shirt cost
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