Aperson had $142.64 for his checking account balance yesterday and now has a balance of -$28.97. which of the following represents the change in his account balance?
a) $113.67
b) -$113.67
c) -$171.61
d) $171.61
show the work that you did to find the answer

in problems involving proportions, we can use cross products to test whether two ratios are equal and form a proportion. to find the cross products of a proportion, we multiply the outer terms, called the extremes, and the middle terms, called the means.

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1. 3. can also be expressed as (22/7)

2. -4.5

3. 3.6

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step-by-step explanation: