Respuesta :
The relative change from what Susan counts her class needs (old) to what Thomas counts his class needs (new) should be 26.32.
Calculation of the relative change;
Since it required 24 sets of supplies for the week. Susan counts that her class only needs 19 supplies
So here the relative change be
= (24 - 19) / 19
= 0.263157 * 100
= 26.32
Hence, the relative change is 26.32.
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