( 55 + 80 + 70 + x ) / 4 <= 65 Multiply both sides with 4
55 + 80 + 70 + x <= 65 * 4
55 + 80 + 70 + x <= 260
x <= 260 - 55 - 80 - 70
x <= 55
(55+80+70+x)/4<=65
can you help me
205-205+x<=260-205
x<=55 is this right
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