Respuesta :
She will need 105 in of ribbon because 15 times 7 equals 105.
1 yard = 36 inches
for 1 bouquet = 15 inches
for 7 bouquet = 15 × 7 = 105 inches
number of yards to be known = X
so..... 1 yard = 36 inches
X = 105 inches
now cross multiply..... 36 × X = 105 × 1
X = 105 / 36 = 2.92 yards
HOPE.IT HELPED !!!
for 1 bouquet = 15 inches
for 7 bouquet = 15 × 7 = 105 inches
number of yards to be known = X
so..... 1 yard = 36 inches
X = 105 inches
now cross multiply..... 36 × X = 105 × 1
X = 105 / 36 = 2.92 yards
HOPE.IT HELPED !!!