Gina has 21 more barrettes than Holly. The equation g = 21 + h, where g represents the number of barrettes Gina has, and h represents the number of barrettes Holly has, shows this relationship. If Gina has 42 barrettes, how many barrettes does Holly have

Respuesta :

Answer:

21

Step-by-step explanation:

g = 12 + h just rewrite it to find h

42 - 21 = 21

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