Elaine bought a total of 15 shirts and pairs of pants. she bought 7 more shirts than pants. how many of each did she buy?

11 shirts and 4 pants.

Step-by-step explanation:

Let x be the number of shirts and y be the number of pants,

So, the total shirts and pants = x + y

According to the question,

x + y = 15 (1),

Also, shirts are 7 more than pants,

i.e. x = y + 7

Substitute this value in equation (1),

y + 7 + y = 15

2y + 7 = 15

2y = 8

⇒ y = 4

Again from equation (1),

x + 4 = 15

⇒ x = 11

Hence, she bought 11 shirts and 4 pants.

answer: the common difference is -0.10

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