10) A sports shop sold 5000 baseball cards this year in a four month
period from the 1st of April until the end of July. 30% of the cards
were sold in the month of May. There were 300 more cards sold during
June than in July and 400 less cards were sold during April compred to
July. What percentage of cards were sold in April?

show step by step please

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step-by-step explanation:

125 yards

step-by-step explanation:

i take 75 plus 50.

5x + 3y = - 4

step-by-step explanation:

the equation of a line in standard form is

ax + by = c ( a is a positive integer and b, c are integers )

express the line first of all in slope- intercept form

y = mx + c ( m is the slope and c the y-intercept )

to calculate m use the gradient formula

m = ( y₂ - y₁ ) / ( x₂ - x₁ )

with (x₁, y₁ ) = (7, - 3) and (x₂, y₂ ) = (4, - 8)

m = = -

y = - x + c ← is the partial equation

to find c substitute either of the 2 points into the partial equation

using (4, - 8 ), then

- 8 = - + c ⇒ c = -

y = - x - ← in slope-intercept form

multiply all terms by 3 to eliminate the fractions

3y = - 5x - 4 ( add 5x to both sides )

5x + 3y = - 4 ← in standard form

step-by-step explanation:

what does 'mandy have ben 780 bottle caps. ' mean?