3 years ago

HEEEEEELP

Mathematics

2 answers:

Mamont248 [21]3 years ago

5 0

Answer:

Step-by-step explanation:

love history [14]3 years ago

4 0

Answer:

D) 6

Step-by-step explanation:

<u>Assumption method: </u>

Assume all are postcards.

Total cost of postcards = 10 × $1

= $10

Difference between total = $22 - $10

= $12

Difference between subjects = $3 - $1

= $2

No. of magnets = $12 ÷ $2

= 6

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