Answer:
37,143
Step-by-step explanation:
Supplementary angles add to 180 degrees
Let x be one angle
x+106 is the other angle
x + x+106 = 180
Combine like terms
2x+106 =180
Subtract 106 from each side
2x+106-106 =180-106
2x = 74
Divide by 2
2x/2 =74/2
x = 37
The other angle is 37+106 =143
It would be 11 if I’m reading this right
Weight of an grapefruit=weight of an orange+8% weight of an orange
weight of an apple=weight of an orange -10% weight of an orange
a.<span>By what percentage is the grapefruit heavier than the apple?
We should find the connection between grapefruit and an apple. We know the connection between the weight of a grapefruit and an orange, we know the connection between an orange and an apple, so this means we know the connection between a grapefruit and an apple.
</span>
weight of an grapefruit=weight of an <span>orange+8% weight of an orange
</span>weight of an orange=weight of an apple<span> +10% weight of an apple
</span>
-> weight of an grapefruit=weight of an apple+10% weight of an apple + 8%(weight of an apple+10% weight of an apple)= weight of an apple + 18% weight of an apple + 2% weight of an apple= <span>weight of an apple + 20% weight of an apple
</span><span>b.By what percentage is the apple lighter than the grapefruit?
</span>weight of an grapefruit=weight of an apple + 20% weight of an apple<span>
</span>
-> The apple ts 20% lighter than the grapefruit.
The variable is x.
Hope that helps :)