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maths pattern question
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hi i usually understand these but on this question the amount of tiles between each pattern are different .
in pattern one there is 1 grey tile and 4 black tiles in pattern 2 there are 4 grey and 4 black tiles then in patten 3 there is 4 black tiles and 9 grey tiles . so how many tiles would there be in pattern number 8 ?
please can someone explain how to work it out ? thanks
in pattern one there is 1 grey tile and 4 black tiles in pattern 2 there are 4 grey and 4 black tiles then in patten 3 there is 4 black tiles and 9 grey tiles . so how many tiles would there be in pattern number 8 ?
please can someone explain how to work it out ? thanks
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